Base | Representation |
---|---|
bin | 11100111110001001… |
… | …101010000101010001 |
3 | 2222021221020020020001 |
4 | 130332021222011101 |
5 | 1002202004141004 |
6 | 22142433250001 |
7 | 2150605206022 |
oct | 347611520521 |
9 | 88257206201 |
10 | 31107490129 |
11 | 12213404831 |
12 | 6041a03901 |
13 | 2c199690c1 |
14 | 1711576c49 |
15 | c20e8e1a4 |
hex | 73e26a151 |
31107490129 has 16 divisors (see below), whose sum is σ = 32225212800. Its totient is φ = 30008474496.
The previous prime is 31107490091. The next prime is 31107490153. The reversal of 31107490129 is 92109470113.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-31107490129 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (31107490159) by changing a digit.
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 15 ways as a sum of consecutive naturals, for example, 3757807 + ... + 3766075.
It is an arithmetic number, because the mean of its divisors is an integer number (2014075800).
Almost surely, 231107490129 is an apocalyptic number.
It is an amenable number.
31107490129 is a deficient number, since it is larger than the sum of its proper divisors (1117722671).
31107490129 is an equidigital number, since it uses as much as digits as its factorization.
31107490129 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9384.
The product of its (nonzero) digits is 13608, while the sum is 37.
The spelling of 31107490129 in words is "thirty-one billion, one hundred seven million, four hundred ninety thousand, one hundred twenty-nine".
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