Base | Representation |
---|---|
bin | 111101011100000101… |
… | …0011010001100101100 |
3 | 110121120001001020000100 |
4 | 1322320022122030230 |
5 | 4130202310132442 |
6 | 140340053231100 |
7 | 12350364626244 |
oct | 1727012321454 |
9 | 417501036010 |
10 | 131938755372 |
11 | 50a55a957a6 |
12 | 216a2032490 |
13 | c598757568 |
14 | 6558b80b24 |
15 | 367317984c |
hex | 1eb829a32c |
131938755372 has 18 divisors (see below), whose sum is σ = 333511853948. Its totient is φ = 43979585112.
The previous prime is 131938755353. The next prime is 131938755383. The reversal of 131938755372 is 273557839131.
It is a happy number.
131938755372 is a `hidden beast` number, since 1 + 3 + 1 + 9 + 3 + 87 + 553 + 7 + 2 = 666.
It is a tau number, because it is divible by the number of its divisors (18).
It is a super-2 number, since 2×1319387553722 (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 5 ways as a sum of consecutive naturals, for example, 1832482678 + ... + 1832482749.
Almost surely, 2131938755372 is an apocalyptic number.
131938755372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
131938755372 is an abundant number, since it is smaller than the sum of its proper divisors (201573098576).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131938755372 is a wasteful number, since it uses less digits than its factorization.
131938755372 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3664965437 (or 3664965432 counting only the distinct ones).
The product of its digits is 4762800, while the sum is 54.
The spelling of 131938755372 in words is "one hundred thirty-one billion, nine hundred thirty-eight million, seven hundred fifty-five thousand, three hundred seventy-two".
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