Base | Representation |
---|---|
bin | 10101111001010101… |
… | …001001010111100001 |
3 | 2020200111000020022202 |
4 | 111321111021113201 |
5 | 341122132014014 |
6 | 14444525542545 |
7 | 1461416204213 |
oct | 257125112741 |
9 | 66614006282 |
10 | 23510423009 |
11 | 9a75025867 |
12 | 4681714a55 |
13 | 22a8a53508 |
14 | 11d05d85b3 |
15 | 9290363de |
hex | 5795495e1 |
23510423009 has 4 divisors (see below), whose sum is σ = 23510882304. Its totient is φ = 23509963716.
The previous prime is 23510422993. The next prime is 23510423017. The reversal of 23510423009 is 90032401532.
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 23510423009 - 24 = 23510422993 is a prime.
It is a super-2 number, since 2×235104230092 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (23510423059) 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, 141617 + ... + 258990.
It is an arithmetic number, because the mean of its divisors is an integer number (5877720576).
Almost surely, 223510423009 is an apocalyptic number.
It is an amenable number.
23510423009 is a deficient number, since it is larger than the sum of its proper divisors (459295).
23510423009 is an equidigital number, since it uses as much as digits as its factorization.
23510423009 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 459294.
The product of its (nonzero) digits is 6480, while the sum is 29.
The spelling of 23510423009 in words is "twenty-three billion, five hundred ten million, four hundred twenty-three thousand, nine".
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