Base | Representation |
---|---|
bin | 10101011100110000… |
… | …101011101001100110 |
3 | 2012110002002012120210 |
4 | 111130300223221212 |
5 | 334131430231204 |
6 | 14325204240250 |
7 | 1443506065062 |
oct | 253460535146 |
9 | 65402065523 |
10 | 23031102054 |
11 | 9849502944 |
12 | 45690a0086 |
13 | 223065b94c |
14 | 1186aa6aa2 |
15 | 8ebe05389 |
hex | 55cc2ba66 |
23031102054 has 16 divisors (see below), whose sum is σ = 48486530880. Its totient is φ = 7272979560.
The previous prime is 23031102047. The next prime is 23031102079. The reversal of 23031102054 is 45020113032.
It is a self number, because there is not a number n which added to its sum of digits gives 23031102054.
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, 101013492 + ... + 101013719.
It is an arithmetic number, because the mean of its divisors is an integer number (3030408180).
Almost surely, 223031102054 is an apocalyptic number.
23031102054 is an abundant number, since it is smaller than the sum of its proper divisors (25455428826).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23031102054 is a wasteful number, since it uses less digits than its factorization.
23031102054 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 202027235.
The product of its (nonzero) digits is 720, while the sum is 21.
Adding to 23031102054 its reverse (45020113032), we get a palindrome (68051215086).
The spelling of 23031102054 in words is "twenty-three billion, thirty-one million, one hundred two thousand, fifty-four".
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