Base | Representation |
---|---|
bin | 10101011011110011… |
… | …110011101010111101 |
3 | 2012101222001110102101 |
4 | 111123303303222331 |
5 | 334113334103000 |
6 | 14323434225101 |
7 | 1443223332361 |
oct | 253363635275 |
9 | 65358043371 |
10 | 23015144125 |
11 | 98404a3476 |
12 | 4563885191 |
13 | 222a26229c |
14 | 11849112a1 |
15 | 8ea801e6a |
hex | 55bcf3abd |
23015144125 has 32 divisors (see below), whose sum is σ = 30574627200. Its totient is φ = 17246908800.
The previous prime is 23015144059. The next prime is 23015144137. The reversal of 23015144125 is 52144151032.
It is a de Polignac number, because none of the positive numbers 2k-23015144125 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 23015144093 and 23015144102.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 156934 + ... + 265816.
It is an arithmetic number, because the mean of its divisors is an integer number (955457100).
Almost surely, 223015144125 is an apocalyptic number.
23015144125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
23015144125 is a deficient number, since it is larger than the sum of its proper divisors (7559483075).
23015144125 is a wasteful number, since it uses less digits than its factorization.
23015144125 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 109006 (or 108996 counting only the distinct ones).
The product of its (nonzero) digits is 4800, while the sum is 28.
Adding to 23015144125 its reverse (52144151032), we get a palindrome (75159295157).
The spelling of 23015144125 in words is "twenty-three billion, fifteen million, one hundred forty-four thousand, one hundred twenty-five".
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