Base | Representation |
---|---|
bin | 11100111110011110… |
… | …110011010100110001 |
3 | 2222022022122211121220 |
4 | 130332132303110301 |
5 | 1002204414024014 |
6 | 22143152135253 |
7 | 2151003263022 |
oct | 347636632461 |
9 | 88268584556 |
10 | 31113033009 |
11 | 12216550223 |
12 | 6043837529 |
13 | 2c1ab5a006 |
14 | 17121bac49 |
15 | c216d66a9 |
hex | 73e7b3531 |
31113033009 has 8 divisors (see below), whose sum is σ = 42103209120. Its totient is φ = 20432439456.
The previous prime is 31113032947. The next prime is 31113033023. The reversal of 31113033009 is 90033031113.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 31113033009 - 212 = 31113028913 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 31113033009.
It is not an unprimeable number, because it can be changed into a prime (31113033209) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77395404 + ... + 77395805.
It is an arithmetic number, because the mean of its divisors is an integer number (5262901140).
Almost surely, 231113033009 is an apocalyptic number.
It is an amenable number.
31113033009 is a deficient number, since it is larger than the sum of its proper divisors (10990176111).
31113033009 is a wasteful number, since it uses less digits than its factorization.
31113033009 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 154791279.
The product of its (nonzero) digits is 729, while the sum is 24.
The spelling of 31113033009 in words is "thirty-one billion, one hundred thirteen million, thirty-three thousand, nine".
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