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57685020582 = 23721279153407
BaseRepresentation
bin110101101110010010…
…111000111110100110
312111220011112122222210
4311232102320332212
51421114331124312
642300010104250
74111326404400
oct655622707646
9174804478883
1057685020582
1122511765832
12b21a71b086
135593c6bb97
142b13245b70
1517793c2e3c
hexd6e4b8fa6

57685020582 has 48 divisors (see below), whose sum is σ = 134311772160. Its totient is φ = 16468440912.

The previous prime is 57685020527. The next prime is 57685020583. The reversal of 57685020582 is 28502058675.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57685020583) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 299323 + ... + 452729.

It is an arithmetic number, because the mean of its divisors is an integer number (2798161920).

Almost surely, 257685020582 is an apocalyptic number.

57685020582 is an abundant number, since it is smaller than the sum of its proper divisors (76626751578).

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

57685020582 is a wasteful number, since it uses less digits than its factorization.

57685020582 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154705 (or 154698 counting only the distinct ones).

The product of its (nonzero) digits is 1344000, while the sum is 48.

The spelling of 57685020582 in words is "fifty-seven billion, six hundred eighty-five million, twenty thousand, five hundred eighty-two".

Divisors: 1 2 3 6 7 14 21 42 49 98 147 294 1279 2558 3837 7674 8953 17906 26859 53718 62671 125342 153407 188013 306814 376026 460221 920442 1073849 2147698 3221547 6443094 7516943 15033886 22550829 45101658 196207553 392415106 588622659 1177245318 1373452871 2746905742 4120358613 8240717226 9614170097 19228340194 28842510291 57685020582