Base | Representation |
---|---|
bin | 11101000110001100… |
… | …001111100110000110 |
3 | 2222122100001122021221 |
4 | 131012030033212012 |
5 | 1002441022321143 |
6 | 22204052430554 |
7 | 2154133616611 |
oct | 350614174606 |
9 | 88570048257 |
10 | 31242385798 |
11 | 1228256a958 |
12 | 607b01845a |
13 | 2c3b8aa020 |
14 | 172544d178 |
15 | c2cc382ed |
hex | 74630f986 |
31242385798 has 16 divisors (see below), whose sum is σ = 50940141840. Its totient is φ = 14284799136.
The previous prime is 31242385789. The next prime is 31242385903. The reversal of 31242385798 is 89758324213.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 5612313 + ... + 5617876.
It is an arithmetic number, because the mean of its divisors is an integer number (3183758865).
Almost surely, 231242385798 is an apocalyptic number.
31242385798 is a deficient number, since it is larger than the sum of its proper divisors (19697756042).
31242385798 is a wasteful number, since it uses less digits than its factorization.
31242385798 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11230311.
The product of its digits is 2903040, while the sum is 52.
The spelling of 31242385798 in words is "thirty-one billion, two hundred forty-two million, three hundred eighty-five thousand, seven hundred ninety-eight".
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