Base | Representation |
---|---|
bin | 10101011010111111… |
… | …001111111111101011 |
3 | 2012101000010111002020 |
4 | 111122333033333223 |
5 | 334101322212012 |
6 | 14322223035523 |
7 | 1442665250400 |
oct | 253277177753 |
9 | 65330114066 |
10 | 23001366507 |
11 | 9833743109 |
12 | 455b13bba3 |
13 | 222744a152 |
14 | 1182b662a7 |
15 | 8e94cea8c |
hex | 55afcffeb |
23001366507 has 12 divisors (see below), whose sum is σ = 35675589096. Its totient is φ = 13143637920.
The previous prime is 23001366497. The next prime is 23001366511. The reversal of 23001366507 is 70566310032.
It is not a de Polignac number, because 23001366507 - 212 = 23001362411 is a prime.
It is a super-2 number, since 2×230013665072 (a number of 22 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (23001366527) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 78235794 + ... + 78236087.
It is an arithmetic number, because the mean of its divisors is an integer number (2972965758).
Almost surely, 223001366507 is an apocalyptic number.
23001366507 is a deficient number, since it is larger than the sum of its proper divisors (12674222589).
23001366507 is a wasteful number, since it uses less digits than its factorization.
23001366507 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 156471898 (or 156471891 counting only the distinct ones).
The product of its (nonzero) digits is 22680, while the sum is 33.
Adding to 23001366507 its reverse (70566310032), we get a palindrome (93567676539).
The spelling of 23001366507 in words is "twenty-three billion, one million, three hundred sixty-six thousand, five hundred seven".
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