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201030212320 = 2557473818963
BaseRepresentation
bin1011101100111001010…
…1011001101011100000
3201012220010210220010021
42323032111121223200
511243202213243240
6232204011043224
720344500416320
oct2731625315340
9635803726107
10201030212320
117829034aa43
1232b64740514
1315c598a6b72
149a30c55280
155368b2254a
hex2ece559ae0

201030212320 has 96 divisors (see below), whose sum is σ = 554330262528. Its totient is φ = 67458144768.

The previous prime is 201030212219. The next prime is 201030212321. The reversal of 201030212320 is 23212030102.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 201030212294 and 201030212303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201030212321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1856842 + ... + 1962121.

It is an arithmetic number, because the mean of its divisors is an integer number (5774273568).

Almost surely, 2201030212320 is an apocalyptic number.

201030212320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201030212320 is an abundant number, since it is smaller than the sum of its proper divisors (353300050208).

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

201030212320 is a wasteful number, since it uses less digits than its factorization.

201030212320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3819032 (or 3819024 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 201030212320 its reverse (23212030102), we get a palindrome (224242242422).

The spelling of 201030212320 in words is "two hundred one billion, thirty million, two hundred twelve thousand, three hundred twenty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 32 35 40 47 56 70 80 94 112 140 160 188 224 235 280 329 376 470 560 658 752 940 1120 1316 1504 1645 1880 2632 3290 3760 5264 6580 7520 10528 13160 26320 52640 3818963 7637926 15275852 19094815 26732741 30551704 38189630 53465482 61103408 76379260 106930964 122206816 133663705 152758520 179491261 213861928 267327410 305517040 358982522 427723856 534654820 611034080 717965044 855447712 897456305 1069309640 1256438827 1435930088 1794912610 2138619280 2512877654 2871860176 3589825220 4277238560 5025755308 5743720352 6282194135 7179650440 10051510616 12564388270 14359300880 20103021232 25128776540 28718601760 40206042464 50257553080 100515106160 201030212320