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57017440252 = 22192335715639
BaseRepresentation
bin110101000110100000…
…010001011111111100
312110011122101001221101
4311012200101133330
51413232431042002
642105441342444
74055642150143
oct650640213774
9173148331841
1057017440252
11221a9949853
12b073037a24
1354b8870c36
142a8c70a75a
15173a9a6587
hexd468117fc

57017440252 has 48 divisors (see below), whose sum is σ = 105686380800. Its totient is φ = 26840488320.

The previous prime is 57017440247. The next prime is 57017440253. The reversal of 57017440252 is 25204471075.

57017440252 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57017440253) 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, 10108449 + ... + 10114087.

It is an arithmetic number, because the mean of its divisors is an integer number (2201799600).

Almost surely, 257017440252 is an apocalyptic number.

It is an amenable number.

57017440252 is a deficient number, since it is larger than the sum of its proper divisors (48668940548).

57017440252 is a wasteful number, since it uses less digits than its factorization.

57017440252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6466 (or 6464 counting only the distinct ones).

The product of its (nonzero) digits is 78400, while the sum is 37.

The spelling of 57017440252 in words is "fifty-seven billion, seventeen million, four hundred forty thousand, two hundred fifty-two".

Divisors: 1 2 4 19 38 76 233 466 571 932 1142 2284 4427 5639 8854 10849 11278 17708 21698 22556 43396 107141 133043 214282 266086 428564 532172 1313887 2527817 2627774 3219869 5055634 5255548 6439738 10111268 12879476 24963853 49927706 61177511 99855412 122355022 244710044 750229477 1500458954 3000917908 14254360063 28508720126 57017440252