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57375144654 = 2330731148287
BaseRepresentation
bin110101011011110100…
…110011101011001110
312111002120110100010120
4311123310303223032
51420001014112104
642205140245410
74100544453132
oct653364635316
9174076410116
1057375144654
1122372856423
12b1529a0866
1355449c3b49
142ac40213c2
15175c0b2cd9
hexd5bd33ace

57375144654 has 16 divisors (see below), whose sum is σ = 115124072448. Its totient is φ = 19062751032.

The previous prime is 57375144643. The next prime is 57375144667. The reversal of 57375144654 is 45644157375.

It is a junction number, because it is equal to n+sod(n) for n = 57375144597 and 57375144606.

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, 15572302 + ... + 15575985.

It is an arithmetic number, because the mean of its divisors is an integer number (7195254528).

Almost surely, 257375144654 is an apocalyptic number.

57375144654 is an abundant number, since it is smaller than the sum of its proper divisors (57748927794).

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

57375144654 is a wasteful number, since it uses less digits than its factorization.

57375144654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31148599.

The product of its digits is 7056000, while the sum is 51.

The spelling of 57375144654 in words is "fifty-seven billion, three hundred seventy-five million, one hundred forty-four thousand, six hundred fifty-four".

Divisors: 1 2 3 6 307 614 921 1842 31148287 62296574 93444861 186889722 9562524109 19125048218 28687572327 57375144654