Base | Representation |
---|---|
bin | 10101100001010101… |
… | …110101111000101001 |
3 | 2012122102200121010100 |
4 | 111201111311320221 |
5 | 334311113432134 |
6 | 14340551340013 |
7 | 1445431231641 |
oct | 254125657051 |
9 | 65572617110 |
10 | 23107952169 |
11 | 9888922535 |
12 | 458a981609 |
13 | 22435583a3 |
14 | 1192d8d521 |
15 | 903a35999 |
hex | 561575e29 |
23107952169 has 9 divisors (see below), whose sum is σ = 33378811869. Its totient is φ = 15404997420.
The previous prime is 23107952159. The next prime is 23107952207. The reversal of 23107952169 is 96125970132.
It is a happy number.
The square root of 23107952169 is 152013.
It is a perfect power (a square), and thus also a powerful number.
It is a tau number, because it is divible by the number of its divisors (9).
It is not a de Polignac number, because 23107952169 - 213 = 23107943977 is a prime.
It is a super-2 number, since 2×231079521692 (a number of 22 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (23107952159) by changing a digit.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 430704 + ... + 481374.
Almost surely, 223107952169 is an apocalyptic number.
23107952169 is the 152013-rd square number.
23107952169 is the 76007-th centered octagonal number.
It is an amenable number.
23107952169 is a deficient number, since it is larger than the sum of its proper divisors (10270859700).
23107952169 is an frugal number, since it uses more digits than its factorization.
23107952169 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 101348 (or 50674 counting only the distinct ones).
The product of its (nonzero) digits is 204120, while the sum is 45.
The spelling of 23107952169 in words is "twenty-three billion, one hundred seven million, nine hundred fifty-two thousand, one hundred sixty-nine".
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