Base | Representation |
---|---|
bin | 110100100011000100011111… |
… | …010000101011100101011110 |
3 | 1010022021202020010112111201112 |
4 | 310203010133100223211132 |
5 | 220242440020420300430 |
6 | 2135305424201342022 |
7 | 66452014041001103 |
oct | 6443043720534536 |
9 | 1108252203474645 |
10 | 231108419696990 |
11 | 67702591a31360 |
12 | 21b0643a197912 |
13 | 9bc5579966304 |
14 | 410d9c8792aaa |
15 | 1bab9d8ab9195 |
hex | d2311f42b95e |
231108419696990 has 128 divisors (see below), whose sum is σ = 459771231628800. Its totient is φ = 82938253708800.
The previous prime is 231108419696969. The next prime is 231108419697013. The reversal of 231108419696990 is 99696914801132.
231108419696990 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×2311084196969902 (a number of 30 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 231108419696990.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 63543693452 + ... + 63543697088.
It is an arithmetic number, because the mean of its divisors is an integer number (3591962747100).
Almost surely, 2231108419696990 is an apocalyptic number.
231108419696990 is a deficient number, since it is larger than the sum of its proper divisors (228662811931810).
231108419696990 is a wasteful number, since it uses less digits than its factorization.
231108419696990 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9258.
The product of its (nonzero) digits is 45349632, while the sum is 68.
The spelling of 231108419696990 in words is "two hundred thirty-one trillion, one hundred eight billion, four hundred nineteen million, six hundred ninety-six thousand, nine hundred ninety".
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