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57470251371 = 31321079911069
BaseRepresentation
bin110101100001011111…
…100111000101101011
312111100012102021000120
4311201133213011223
51420144341020441
642222414534323
74103111035161
oct654137470553
9174305367016
1057470251371
1122411505515
12b17a8073a3
13555b613300
142ad28db231
1517655ec966
hexd617e716b

57470251371 has 48 divisors (see below), whose sum is σ = 83913200640. Its totient is φ = 34967687040.

The previous prime is 57470251343. The next prime is 57470251411. The reversal of 57470251371 is 17315207475.

It is not a de Polignac number, because 57470251371 - 223 = 57461862763 is a prime.

It is not an unprimeable number, because it can be changed into a prime (57470251571) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 53760225 + ... + 53761293.

It is an arithmetic number, because the mean of its divisors is an integer number (1748191680).

Almost surely, 257470251371 is an apocalyptic number.

57470251371 is a deficient number, since it is larger than the sum of its proper divisors (26442949269).

57470251371 is a wasteful number, since it uses less digits than its factorization.

57470251371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2196 (or 2183 counting only the distinct ones).

The product of its (nonzero) digits is 205800, while the sum is 42.

The spelling of 57470251371 in words is "fifty-seven billion, four hundred seventy million, two hundred fifty-one thousand, three hundred seventy-one".

Divisors: 1 3 13 39 107 169 321 507 991 1069 1391 2973 3207 4173 12883 13897 18083 38649 41691 54249 106037 114383 167479 180661 318111 343149 502437 541983 1059379 1378481 1486979 3178137 4135443 4460937 13771927 17920253 19330727 41315781 53760759 57992181 113353553 179035051 340060659 537105153 1473596189 4420788567 19156750457 57470251371