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57272317732 = 22729894671697
BaseRepresentation
bin110101010101101100…
…100011011100100100
312110211101222012010001
4311111230203130210
51414243203131412
642151024311044
74065155445160
oct652554433444
9173741865101
1057272317732
112231a803aa3
12b124472484
135529600706
142ab44d5ca0
151753050957
hexd55b23724

57272317732 has 96 divisors (see below), whose sum is σ = 120153196800. Its totient is φ = 23368654848.

The previous prime is 57272317721. The next prime is 57272317777. The reversal of 57272317732 is 23771327275.

57272317732 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33748308 + ... + 33750004.

It is an arithmetic number, because the mean of its divisors is an integer number (1251595800).

Almost surely, 257272317732 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 57272317732, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60076598400).

57272317732 is an abundant number, since it is smaller than the sum of its proper divisors (62880879068).

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

57272317732 is a wasteful number, since it uses less digits than its factorization.

57272317732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2293 (or 2291 counting only the distinct ones).

The product of its digits is 864360, while the sum is 46.

The spelling of 57272317732 in words is "fifty-seven billion, two hundred seventy-two million, three hundred seventeen thousand, seven hundred thirty-two".

Divisors: 1 2 4 7 14 28 29 58 89 116 178 203 356 406 467 623 812 934 1246 1697 1868 2492 2581 3269 3394 5162 6538 6788 10324 11879 13076 13543 18067 23758 27086 36134 41563 47516 49213 54172 72268 83126 94801 98426 151033 166252 189602 196852 290941 302066 344491 379204 581882 604132 688982 792499 1057231 1163764 1205327 1377964 1584998 2114462 2410654 3169996 4228924 4379957 4821308 5547493 8437289 8759914 11094986 16874578 17519828 22189972 22982471 30659699 33749156 45964942 61319398 70532411 91929884 122638796 141064822 160877297 282129644 321754594 493726877 643509188 987453754 1974907508 2045439919 4090879838 8181759676 14318079433 28636158866 57272317732