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57145682770 = 2511294749871
BaseRepresentation
bin110101001110001001…
…011110101101010010
312110111120200110121021
4311032021132231102
51414013243322040
642130302150054
74062060201061
oct651611365522
9173446613537
1057145682770
1122265280300
12b0a9b8232a
1355092c2797
142aa17701d8
151746d8924a
hexd4e25eb52

57145682770 has 48 divisors (see below), whose sum is σ = 113185102464. Its totient is φ = 20757888800.

The previous prime is 57145682761. The next prime is 57145682773. The reversal of 57145682770 is 7728654175.

It is not an unprimeable number, because it can be changed into a prime (57145682773) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 1120935 + ... + 1170805.

It is an arithmetic number, because the mean of its divisors is an integer number (2358022968).

Almost surely, 257145682770 is an apocalyptic number.

57145682770 is a deficient number, since it is larger than the sum of its proper divisors (56039419694).

57145682770 is a wasteful number, since it uses less digits than its factorization.

57145682770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50847 (or 50836 counting only the distinct ones).

The product of its (nonzero) digits is 3292800, while the sum is 52.

The spelling of 57145682770 in words is "fifty-seven billion, one hundred forty-five million, six hundred eighty-two thousand, seven hundred seventy".

Divisors: 1 2 5 10 11 22 55 110 121 242 605 947 1210 1894 4735 9470 10417 20834 49871 52085 99742 104170 114587 229174 249355 498710 548581 572935 1097162 1145870 2742905 5485810 6034391 12068782 30171955 47227837 60343910 94455674 236139185 472278370 519506207 1039012414 2597531035 5195062070 5714568277 11429136554 28572841385 57145682770