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57880388136 = 2332411682839
BaseRepresentation
bin110101111001111100…
…001010001000101000
312112101210011100220010
4311321330022020220
51422014334410021
642331225331520
74116221116164
oct657174121050
9175353140803
1057880388136
1122601a7431a
12b274036ba0
1355c559379c
142b3117dca4
15178b614976
hexd79f0a228

57880388136 has 16 divisors (see below), whose sum is σ = 144700970400. Its totient is φ = 19293462704.

The previous prime is 57880388057. The next prime is 57880388143. The reversal of 57880388136 is 63188308875.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1205841396 + ... + 1205841443.

It is an arithmetic number, because the mean of its divisors is an integer number (9043810650).

Almost surely, 257880388136 is an apocalyptic number.

It is an amenable number.

57880388136 is an abundant number, since it is smaller than the sum of its proper divisors (86820582264).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57880388136 is a wasteful number, since it uses less digits than its factorization.

57880388136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2411682848 (or 2411682844 counting only the distinct ones).

The product of its (nonzero) digits is 7741440, while the sum is 57.

The spelling of 57880388136 in words is "fifty-seven billion, eight hundred eighty million, three hundred eighty-eight thousand, one hundred thirty-six".

Divisors: 1 2 3 4 6 8 12 24 2411682839 4823365678 7235048517 9646731356 14470097034 19293462712 28940194068 57880388136