Base | Representation |
---|---|
bin | 10101011011101111… |
… | …000010101101010000 |
3 | 2012101212200222221012 |
4 | 111123233002231100 |
5 | 334113024114432 |
6 | 14323351350052 |
7 | 1443206610524 |
oct | 253357025520 |
9 | 65355628835 |
10 | 23013894992 |
11 | 983a81aa30 |
12 | 4563382328 |
13 | 2229c1585a |
14 | 11846a7d84 |
15 | 8ea656cb2 |
hex | 55bbc2b50 |
23013894992 has 40 divisors (see below), whose sum is σ = 49829435712. Its totient is φ = 10205715200.
The previous prime is 23013894983. The next prime is 23013895001. The reversal of 23013894992 is 29949831032.
It is an interprime number because it is at equal distance from previous prime (23013894983) and next prime (23013895001).
It is a self number, because there is not a number n which added to its sum of digits gives 23013894992.
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, 1587428 + ... + 1601859.
Almost surely, 223013894992 is an apocalyptic number.
23013894992 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
23013894992 is an abundant number, since it is smaller than the sum of its proper divisors (26815540720).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23013894992 is a wasteful number, since it uses less digits than its factorization.
23013894992 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3189347 (or 3189341 counting only the distinct ones).
The product of its (nonzero) digits is 839808, while the sum is 50.
The spelling of 23013894992 in words is "twenty-three billion, thirteen million, eight hundred ninety-four thousand, nine hundred ninety-two".
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