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57148055385 = 353809870359
BaseRepresentation
bin110101001110010010…
…100001111101011001
312110111202011000012220
4311032102201331121
51414014400233020
642130425054253
74062116312241
oct651622417531
9173452130186
1057148055385
1122266650943
12b0aa927389
1355099436b5
142aa1bcab21
1517471a7240
hexd4e4a1f59

57148055385 has 8 divisors (see below), whose sum is σ = 91436888640. Its totient is φ = 30478962864.

The previous prime is 57148055359. The next prime is 57148055401. The reversal of 57148055385 is 58355084175.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 57148055385 - 211 = 57148053337 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 1904935165 + ... + 1904935194.

It is an arithmetic number, because the mean of its divisors is an integer number (11429611080).

Almost surely, 257148055385 is an apocalyptic number.

It is an amenable number.

57148055385 is a deficient number, since it is larger than the sum of its proper divisors (34288833255).

57148055385 is a wasteful number, since it uses less digits than its factorization.

57148055385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3809870367.

The product of its (nonzero) digits is 3360000, while the sum is 51.

The spelling of 57148055385 in words is "fifty-seven billion, one hundred forty-eight million, fifty-five thousand, three hundred eighty-five".

Divisors: 1 3 5 15 3809870359 11429611077 19049351795 57148055385