Base | Representation |
---|---|
bin | 11101101110111000… |
… | …101110010001101110 |
3 | 10001101220202212100220 |
4 | 131232320232101232 |
5 | 1010340313300241 |
6 | 22355522232210 |
7 | 2210064110502 |
oct | 355670562156 |
9 | 101356685326 |
10 | 31925134446 |
11 | 125a29a7037 |
12 | 622b7b5666 |
13 | 301a1890ca |
14 | 178bdb6302 |
15 | c6cb4e166 |
hex | 76ee2e46e |
31925134446 has 16 divisors (see below), whose sum is σ = 67210809600. Its totient is φ = 10081621368.
The previous prime is 31925134391. The next prime is 31925134459. The reversal of 31925134446 is 64443152913.
It is a junction number, because it is equal to n+sod(n) for n = 31925134398 and 31925134407.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140022406 + ... + 140022633.
It is an arithmetic number, because the mean of its divisors is an integer number (4200675600).
Almost surely, 231925134446 is an apocalyptic number.
31925134446 is an abundant number, since it is smaller than the sum of its proper divisors (35285675154).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31925134446 is a wasteful number, since it uses less digits than its factorization.
31925134446 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 280045063.
The product of its digits is 311040, while the sum is 42.
The spelling of 31925134446 in words is "thirty-one billion, nine hundred twenty-five million, one hundred thirty-four thousand, four hundred forty-six".
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