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228519270969768 = 23344572073137223
BaseRepresentation
bin110011111101011001001001…
…111110000111000110101000
31002222010020011220102101010000
4303331121021332013012220
5214423024431332013033
62130004145342423000
766063654364641552
oct6375311176070650
91088106156371100
10228519270969768
11668a4529a82909
1221768695591a60
139a6837592760c
14406056ac964d2
151b6449d730a13
hexcfd649f871a8

228519270969768 has 160 divisors (see below), whose sum is σ = 641514307959360. Its totient is φ = 76000701461760.

The previous prime is 228519270969767. The next prime is 228519270969809. The reversal of 228519270969768 is 867969072915822.

228519270969768 is a `hidden beast` number, since 2 + 2 + 8 + 519 + 2 + 7 + 0 + 9 + 6 + 97 + 6 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (81).

It is not an unprimeable number, because it can be changed into a prime (228519270969767) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 6139176805 + ... + 6139214027.

It is an arithmetic number, because the mean of its divisors is an integer number (4009464424746).

Almost surely, 2228519270969768 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 228519270969768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (320757153979680).

228519270969768 is an abundant number, since it is smaller than the sum of its proper divisors (412995036989592).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

228519270969768 is a wasteful number, since it uses less digits than its factorization.

228519270969768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58429 (or 58416 counting only the distinct ones).

The product of its (nonzero) digits is 3292047360, while the sum is 81.

The spelling of 228519270969768 in words is "two hundred twenty-eight trillion, five hundred nineteen billion, two hundred seventy million, nine hundred sixty-nine thousand, seven hundred sixty-eight".

Divisors: 1 2 3 4 6 8 9 12 18 24 27 36 54 72 81 108 162 216 324 457 648 914 1371 1828 2742 3656 4113 5484 8226 10968 12339 16452 20731 24678 32904 37017 37223 41462 49356 62193 74034 74446 82924 98712 111669 124386 148068 148892 165848 186579 223338 248772 296136 297784 335007 373158 446676 497544 559737 670014 746316 893352 1005021 1119474 1340028 1492632 1679211 2010042 2238948 2680056 3015063 3358422 4020084 4477896 6030126 6716844 8040168 9474067 12060252 13433688 17010911 18948134 24120504 28422201 34021822 37896268 51032733 56844402 68043644 75792536 85266603 102065466 113688804 136087288 153098199 170533206 204130932 227377608 255799809 306196398 341066412 408261864 459294597 511599618 612392796 682132824 767399427 771670013 918589194 1023199236 1224785592 1377883791 1534798854 1543340026 1837178388 2046398472 2315010039 2755767582 3069597708 3086680052 3674356776 4630020078 5511535164 6139195416 6173360104 6945030117 9260040156 11023070328 13890060234 18520080312 20835090351 27780120468 41670180702 55560240936 62505271053 83340361404 125010542106 166680722808 250021084212 352653195941 500042168424 705306391882 1057959587823 1410612783764 2115919175646 2821225567528 3173878763469 4231838351292 6347757526938 8463676702584 9521636290407 12695515053876 19043272580814 25391030107752 28564908871221 38086545161628 57129817742442 76173090323256 114259635484884 228519270969768