Base | Representation |
---|---|
bin | 11101110000000001… |
… | …000011010100101111 |
3 | 10001110020110011101111 |
4 | 131300001003110233 |
5 | 1010410142020043 |
6 | 22401440452451 |
7 | 2210414220241 |
oct | 356001032457 |
9 | 101406404344 |
10 | 31944095023 |
11 | 12602677435 |
12 | 623601a127 |
13 | 3021097399 |
14 | 1790710091 |
15 | c6e64709d |
hex | 77004352f |
31944095023 has 2 divisors, whose sum is σ = 31944095024. Its totient is φ = 31944095022.
The previous prime is 31944094997. The next prime is 31944095041. The reversal of 31944095023 is 32059044913.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-31944095023 is a prime.
It is a super-3 number, since 3×319440950233 (a number of 32 digits) contains 333 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (31944095083) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15972047511 + 15972047512.
It is an arithmetic number, because the mean of its divisors is an integer number (15972047512).
Almost surely, 231944095023 is an apocalyptic number.
31944095023 is a deficient number, since it is larger than the sum of its proper divisors (1).
31944095023 is an equidigital number, since it uses as much as digits as its factorization.
31944095023 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 116640, while the sum is 40.
The spelling of 31944095023 in words is "thirty-one billion, nine hundred forty-four million, ninety-five thousand, twenty-three".
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