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52704395920 = 24511222072467
BaseRepresentation
bin110001000101011011…
…010100001010010000
312001001001121201101201
4301011123110022100
51330414311132140
640113450040544
73544030654651
oct610533241220
9161031551351
1052704395920
1120396291800
12a26a719154
134c7c1352b7
14279d989528
151586ee749a
hexc456d4290

52704395920 has 120 divisors (see below), whose sum is σ = 134805871872. Its totient is φ = 19148785920.

The previous prime is 52704395917. The next prime is 52704395941. The reversal of 52704395920 is 2959340725.

It is a super-2 number, since 2×527043959202 (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21362527 + ... + 21364993.

Almost surely, 252704395920 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 52704395920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67402935936).

52704395920 is an abundant number, since it is smaller than the sum of its proper divisors (82101475952).

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

52704395920 is a wasteful number, since it uses less digits than its factorization.

52704395920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4709 (or 4692 counting only the distinct ones).

The product of its (nonzero) digits is 680400, while the sum is 46.

The spelling of 52704395920 in words is "fifty-two billion, seven hundred four million, three hundred ninety-five thousand, nine hundred twenty".

Divisors: 1 2 4 5 8 10 11 16 20 22 40 44 55 80 88 110 121 176 220 242 440 484 605 880 968 1210 1936 2207 2420 2467 4414 4840 4934 8828 9680 9868 11035 12335 17656 19736 22070 24277 24670 27137 35312 39472 44140 48554 49340 54274 88280 97108 98680 108548 121385 135685 176560 194216 197360 217096 242770 267047 271370 298507 388432 434192 485540 534094 542740 597014 971080 1068188 1085480 1194028 1335235 1492535 1942160 2136376 2170960 2388056 2670470 2985070 4272752 4776112 5340940 5444669 5970140 10681880 10889338 11940280 21363760 21778676 23880560 27223345 43557352 54446690 59891359 87114704 108893380 119782718 217786760 239565436 299456795 435573520 479130872 598913590 658804949 958261744 1197827180 1317609898 2395654360 2635219796 3294024745 4791308720 5270439592 6588049490 10540879184 13176098980 26352197960 52704395920