Base | Representation |
---|---|
bin | 10101011101011100… |
… | …001101101001111101 |
3 | 2012110212112222012011 |
4 | 111131130031221331 |
5 | 334142340413113 |
6 | 14330253011221 |
7 | 1444005063514 |
oct | 253534155175 |
9 | 65425488164 |
10 | 23042513533 |
11 | 9854997516 |
12 | 4570a83b11 |
13 | 2232b25ac0 |
14 | 11883d767b |
15 | 8ece0b63d |
hex | 55d70da7d |
23042513533 has 8 divisors (see below), whose sum is σ = 24816222200. Its totient is φ = 21268977408.
The previous prime is 23042513513. The next prime is 23042513539. The reversal of 23042513533 is 33531524032.
It can be written as a sum of positive squares in 4 ways, for example, as 936176409 + 22106337124 = 30597^2 + 148682^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 23042513533 - 221 = 23040416381 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 23042513495 and 23042513504.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23042513539) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 412753 + ... + 465241.
It is an arithmetic number, because the mean of its divisors is an integer number (3102027775).
Almost surely, 223042513533 is an apocalyptic number.
It is an amenable number.
23042513533 is a deficient number, since it is larger than the sum of its proper divisors (1773708667).
23042513533 is a wasteful number, since it uses less digits than its factorization.
23042513533 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 86271.
The product of its (nonzero) digits is 32400, while the sum is 31.
The spelling of 23042513533 in words is "twenty-three billion, forty-two million, five hundred thirteen thousand, five hundred thirty-three".
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