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57190809316 = 22109210972
BaseRepresentation
bin110101010000110101…
…100111111011100100
312110121201121010120211
4311100311213323210
51414111321344231
642134553305204
74063145600254
oct652065477344
9173551533524
1057190809316
11222887a2573
12b101105204
135515762894
142aa7759964
15174aceeeb1
hexd50d67ee4

57190809316 has 27 divisors (see below), whose sum is σ = 101102704059. Its totient is φ = 28307233728.

The previous prime is 57190809293. The next prime is 57190809391. The reversal of 57190809316 is 61390809175.

The square root of 57190809316 is 239146.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 23912100 + 57166897216 = 4890^2 + 239096^2 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 57190809316.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 52133280 + ... + 52134376.

Almost surely, 257190809316 is an apocalyptic number.

57190809316 is the 239146-th square number.

It is an amenable number.

57190809316 is a deficient number, since it is larger than the sum of its proper divisors (43911894743).

57190809316 is an equidigital number, since it uses as much as digits as its factorization.

57190809316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2416 (or 1208 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 49.

Multiplying 57190809316 by its sum of digits (49), we get a square (2802349656484 = 16740222).

The spelling of 57190809316 in words is "fifty-seven billion, one hundred ninety million, eight hundred nine thousand, three hundred sixteen".

Divisors: 1 2 4 109 218 436 1097 2194 4388 11881 23762 47524 119573 239146 478292 1203409 2406818 4813636 13033457 26066914 52133828 131171581 262343162 524686324 14297702329 28595404658 57190809316