Base | Representation |
---|---|
bin | 1110010000111101010101… |
… | …01100100100110010101101 |
3 | 11010001211220020111010211201 |
4 | 13020132222230210302231 |
5 | 13102422213023140240 |
6 | 150414420234045501 |
7 | 6415223211231433 |
oct | 710365254446255 |
9 | 133054806433751 |
10 | 31369009974445 |
11 | 9aa4582384480 |
12 | 3627635b79891 |
13 | 1467114826ba0 |
14 | 7a63a7c78d53 |
15 | 395ea744dd9a |
hex | 1c87aab24cad |
31369009974445 has 32 divisors (see below), whose sum is σ = 44253788350464. Its totient is φ = 21044599027200.
The previous prime is 31369009974361. The next prime is 31369009974457. The reversal of 31369009974445 is 54447990096313.
It is not a de Polignac number, because 31369009974445 - 221 = 31369007877293 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13860792 + ... + 15964321.
It is an arithmetic number, because the mean of its divisors is an integer number (1382930885952).
Almost surely, 231369009974445 is an apocalyptic number.
It is an amenable number.
31369009974445 is a deficient number, since it is larger than the sum of its proper divisors (12884778376019).
31369009974445 is a wasteful number, since it uses less digits than its factorization.
31369009974445 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 29826613.
The product of its (nonzero) digits is 88179840, while the sum is 64.
The spelling of 31369009974445 in words is "thirty-one trillion, three hundred sixty-nine billion, nine million, nine hundred seventy-four thousand, four hundred forty-five".
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