Base | Representation |
---|---|
bin | 11101001110001010… |
… | …001001110101001001 |
3 | 2222222122120202211021 |
4 | 131032022021311021 |
5 | 1003224232240000 |
6 | 22225225432441 |
7 | 2160346033555 |
oct | 351612116511 |
9 | 88878522737 |
10 | 31376055625 |
11 | 12340a68a92 |
12 | 60b793b721 |
13 | 2c604abcb5 |
14 | 17390c6865 |
15 | c3983e11a |
hex | 74e289d49 |
31376055625 has 20 divisors (see below), whose sum is σ = 39506916240. Its totient is φ = 24909170000.
The previous prime is 31376055553. The next prime is 31376055629. The reversal of 31376055625 is 52655067313.
It is a happy number.
It is not a de Polignac number, because 31376055625 - 217 = 31375924553 is a prime.
It is not an unprimeable number, because it can be changed into a prime (31376055629) 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 19 ways as a sum of consecutive naturals, for example, 109735 + ... + 273484.
It is an arithmetic number, because the mean of its divisors is an integer number (1975345812).
Almost surely, 231376055625 is an apocalyptic number.
It is an amenable number.
31376055625 is a deficient number, since it is larger than the sum of its proper divisors (8130860615).
31376055625 is an equidigital number, since it uses as much as digits as its factorization.
31376055625 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 383370 (or 383355 counting only the distinct ones).
The product of its (nonzero) digits is 567000, while the sum is 43.
The spelling of 31376055625 in words is "thirty-one billion, three hundred seventy-six million, fifty-five thousand, six hundred twenty-five".
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