Base | Representation |
---|---|
bin | 11100111111000110… |
… | …011001110110101100 |
3 | 2222100001012021021111 |
4 | 130333012121312230 |
5 | 1002220043230234 |
6 | 22144202441404 |
7 | 2151160441423 |
oct | 347706316654 |
9 | 88301167244 |
10 | 31123414444 |
11 | 122213a0a21 |
12 | 6047203264 |
13 | 2c20053385 |
14 | 17137202ba |
15 | c22587664 |
hex | 73f199dac |
31123414444 has 6 divisors (see below), whose sum is σ = 54465975284. Its totient is φ = 15561707220.
The previous prime is 31123414393. The next prime is 31123414457. The reversal of 31123414444 is 44441432113.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3890426802 + ... + 3890426809.
Almost surely, 231123414444 is an apocalyptic number.
It is an amenable number.
31123414444 is a deficient number, since it is larger than the sum of its proper divisors (23342560840).
31123414444 is a wasteful number, since it uses less digits than its factorization.
31123414444 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7780853615 (or 7780853613 counting only the distinct ones).
The product of its digits is 18432, while the sum is 31.
Adding to 31123414444 its reverse (44441432113), we get a palindrome (75564846557).
The spelling of 31123414444 in words is "thirty-one billion, one hundred twenty-three million, four hundred fourteen thousand, four hundred forty-four".
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