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57171316688 = 2414933771161
BaseRepresentation
bin110101001111101011…
…010000111111010000
312110120100220210201122
4311033223100333100
51414041324113223
642133015421412
74062521113403
oct651753207720
9173510823648
1057171316688
1122278799462
12b0b6684868
1355116c9395
142aa4d23d3a
15174924e5c8
hexd4fad0fd0

57171316688 has 40 divisors (see below), whose sum is σ = 111845315400. Its totient is φ = 28309155840.

The previous prime is 57171316669. The next prime is 57171316691. The reversal of 57171316688 is 88661317175.

It can be written as a sum of positive squares in 4 ways, for example, as 1499857984 + 55671458704 = 38728^2 + 235948^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 767828 + ... + 838988.

It is an arithmetic number, because the mean of its divisors is an integer number (2796132885).

Almost surely, 257171316688 is an apocalyptic number.

It is an amenable number.

57171316688 is a deficient number, since it is larger than the sum of its proper divisors (54673998712).

57171316688 is a wasteful number, since it uses less digits than its factorization.

57171316688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71655 (or 71649 counting only the distinct ones).

The product of its digits is 1693440, while the sum is 53.

The spelling of 57171316688 in words is "fifty-seven billion, one hundred seventy-one million, three hundred sixteen thousand, six hundred eighty-eight".

Divisors: 1 2 4 8 16 149 298 337 596 674 1192 1348 2384 2696 5392 50213 71161 100426 142322 200852 284644 401704 569288 803408 1138576 10602989 21205978 23981257 42411956 47962514 84823912 95925028 169647824 191850056 383700112 3573207293 7146414586 14292829172 28585658344 57171316688