Base | Representation |
---|---|
bin | 10101011010111111… |
… | …110000101101100001 |
3 | 2012101000101021220102 |
4 | 111122333300231201 |
5 | 334101341004023 |
6 | 14322225552145 |
7 | 1442666346155 |
oct | 253277605541 |
9 | 65330337812 |
10 | 23001500513 |
11 | 9833824862 |
12 | 455b1a5655 |
13 | 2227496144 |
14 | 1182b9d065 |
15 | 8e9509628 |
hex | 55aff0b61 |
23001500513 has 4 divisors (see below), whose sum is σ = 23015709360. Its totient is φ = 22987291668.
The previous prime is 23001500477. The next prime is 23001500573. The reversal of 23001500513 is 31500510032.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 23001500513 - 26 = 23001500449 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (23001500573) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7101995 + ... + 7105232.
It is an arithmetic number, because the mean of its divisors is an integer number (5753927340).
Almost surely, 223001500513 is an apocalyptic number.
It is an amenable number.
23001500513 is a deficient number, since it is larger than the sum of its proper divisors (14208847).
23001500513 is a wasteful number, since it uses less digits than its factorization.
23001500513 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14208846.
The product of its (nonzero) digits is 450, while the sum is 20.
The spelling of 23001500513 in words is "twenty-three billion, one million, five hundred thousand, five hundred thirteen".
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