Base | Representation |
---|---|
bin | 111101011100000101… |
… | …0101000010011000111 |
3 | 110121120001011011020102 |
4 | 1322320022220103013 |
5 | 4130202314010002 |
6 | 140340054354315 |
7 | 12350365256522 |
oct | 1727012502307 |
9 | 417501134212 |
10 | 131938813127 |
11 | 50a56025130 |
12 | 216a205b99b |
13 | c598777934 |
14 | 6558b97bb9 |
15 | 367318ba02 |
hex | 1eb82a84c7 |
131938813127 has 16 divisors (see below), whose sum is σ = 144822251808. Its totient is φ = 119204090880.
The previous prime is 131938813103. The next prime is 131938813213. The reversal of 131938813127 is 721318839131.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 131938813127 - 236 = 63219336391 is a prime.
It is a super-2 number, since 2×1319388131272 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131938813327) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5378963 + ... + 5403435.
It is an arithmetic number, because the mean of its divisors is an integer number (9051390738).
Almost surely, 2131938813127 is an apocalyptic number.
131938813127 is a deficient number, since it is larger than the sum of its proper divisors (12883438681).
131938813127 is a wasteful number, since it uses less digits than its factorization.
131938813127 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 27490.
The product of its digits is 217728, while the sum is 47.
The spelling of 131938813127 in words is "one hundred thirty-one billion, nine hundred thirty-eight million, eight hundred thirteen thousand, one hundred twenty-seven".
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