Base | Representation |
---|---|
bin | 10101011101100001… |
… | …111000101010101111 |
3 | 2012110222100111211110 |
4 | 111131201320222233 |
5 | 334143231003211 |
6 | 14330344523103 |
7 | 1444023525504 |
oct | 253541705257 |
9 | 65428314743 |
10 | 23044000431 |
11 | 9855812661 |
12 | 4571480493 |
13 | 223322681a |
14 | 11886a34ab |
15 | 8ed101ea6 |
hex | 55d878aaf |
23044000431 has 16 divisors (see below), whose sum is σ = 31480420608. Its totient is φ = 14985259200.
The previous prime is 23044000423. The next prime is 23044000459. The reversal of 23044000431 is 13400044032.
It is not a de Polignac number, because 23044000431 - 23 = 23044000423 is a prime.
It is a super-2 number, since 2×230440004312 (a number of 22 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 23044000398 and 23044000407.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23044007431) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 843496 + ... + 870386.
It is an arithmetic number, because the mean of its divisors is an integer number (1967526288).
Almost surely, 223044000431 is an apocalyptic number.
23044000431 is a deficient number, since it is larger than the sum of its proper divisors (8436420177).
23044000431 is a wasteful number, since it uses less digits than its factorization.
23044000431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 33902.
The product of its (nonzero) digits is 1152, while the sum is 21.
Adding to 23044000431 its reverse (13400044032), we get a palindrome (36444044463).
The spelling of 23044000431 in words is "twenty-three billion, forty-four million, four hundred thirty-one", and thus it is an aban number.
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