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57012570844 = 22232241111799
BaseRepresentation
bin110101000110001101…
…101100101011011100
312110011022012200100221
4311012031230223130
51413230204231334
642105145131124
74055552566465
oct650615545334
9173138180327
1057012570844
11221a7123349
12b071489aa4
1354b7857728
142a8bbddd6c
15173a3438b4
hexd4636cadc

57012570844 has 36 divisors (see below), whose sum is σ = 104732227600. Its totient is φ = 27153498240.

The previous prime is 57012570803. The next prime is 57012570877. The reversal of 57012570844 is 44807521075.

It is a self number, because there is not a number n which added to its sum of digits gives 57012570844.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 454057 + ... + 565855.

Almost surely, 257012570844 is an apocalyptic number.

It is an amenable number.

57012570844 is a deficient number, since it is larger than the sum of its proper divisors (47719656756).

57012570844 is a wasteful number, since it uses less digits than its factorization.

57012570844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112090 (or 112065 counting only the distinct ones).

The product of its (nonzero) digits is 313600, while the sum is 43.

The spelling of 57012570844 in words is "fifty-seven billion, twelve million, five hundred seventy thousand, eight hundred forty-four".

Divisors: 1 2 4 23 46 92 241 482 529 964 1058 2116 5543 11086 22172 111799 127489 223598 254978 447196 509956 2571377 5142754 10285508 26943559 53887118 59141671 107774236 118283342 236566684 619701857 1239403714 2478807428 14253142711 28506285422 57012570844