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57132002165 = 575343970157
BaseRepresentation
bin110101001101010101…
…010010101101110101
312110110121221102100012
4311031111102231311
51414001243032130
642125053030005
74061533001660
oct651525225565
9173417842305
1057132002165
1122258586917
12b0a5485305
135506512854
142a9da0c6d7
151745a85995
hexd4d552b75

57132002165 has 32 divisors (see below), whose sum is σ = 80013795840. Its totient is φ = 38348953344.

The previous prime is 57132002117. The next prime is 57132002167. The reversal of 57132002165 is 56120023175.

It is a cyclic number.

It is not a de Polignac number, because 57132002165 - 228 = 56863566709 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57132002167) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 779267 + ... + 849423.

It is an arithmetic number, because the mean of its divisors is an integer number (2500431120).

Almost surely, 257132002165 is an apocalyptic number.

It is an amenable number.

57132002165 is a deficient number, since it is larger than the sum of its proper divisors (22881793675).

57132002165 is a wasteful number, since it uses less digits than its factorization.

57132002165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70661.

The product of its (nonzero) digits is 12600, while the sum is 32.

The spelling of 57132002165 in words is "fifty-seven billion, one hundred thirty-two million, two thousand, one hundred sixty-five".

Divisors: 1 5 7 35 53 265 371 439 1855 2195 3073 15365 23267 70157 116335 162869 350785 491099 814345 2455495 3718321 18591605 26028247 30798923 130141235 153994615 215592461 1077962305 1632342919 8161714595 11426400433 57132002165