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131128471876 = 222915156313297
BaseRepresentation
bin111101000011111011…
…1011011000101000100
3110112110120100120000111
41322013313123011010
54122022342100001
6140123430122404
712321325422553
oct1720767330504
9415416316014
10131128471876
115067a670816
12214b67b0404
13c499913a7c
1464bd2d9d9a
153626e70851
hex1e87ddb144

131128471876 has 48 divisors (see below), whose sum is σ = 239402298240. Its totient is φ = 62767756800.

The previous prime is 131128471841. The next prime is 131128471897. The reversal of 131128471876 is 678174821131.

It is a super-2 number, since 2×1311284718762 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9854860 + ... + 9868156.

It is an arithmetic number, because the mean of its divisors is an integer number (4987547880).

Almost surely, 2131128471876 is an apocalyptic number.

It is an amenable number.

131128471876 is a deficient number, since it is larger than the sum of its proper divisors (108273826364).

131128471876 is a wasteful number, since it uses less digits than its factorization.

131128471876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14044 (or 14042 counting only the distinct ones).

The product of its digits is 451584, while the sum is 49.

The spelling of 131128471876 in words is "one hundred thirty-one billion, one hundred twenty-eight million, four hundred seventy-one thousand, eight hundred seventy-six".

Divisors: 1 2 4 29 58 116 151 302 563 604 1126 2252 4379 8758 13297 16327 17516 26594 32654 53188 65308 85013 170026 340052 385613 771226 1542452 2007847 2465377 4015694 4930754 7486211 8031388 9861508 14972422 29944844 58227563 116455126 217100119 232910252 434200238 868400476 1130417861 2260835722 4521671444 32782117969 65564235938 131128471876