Base | Representation |
---|---|
bin | 101100000101… |
… | …0101111101001 |
3 | 1121111020122020 |
4 | 1120022233221 |
5 | 21404101211 |
6 | 2143215053 |
7 | 400311624 |
oct | 130125751 |
9 | 47436566 |
10 | 23112681 |
11 | 12056999 |
12 | 78a7489 |
13 | 4a33157 |
14 | 30d8dbb |
15 | 2068306 |
hex | 160abe9 |
23112681 has 16 divisors (see below), whose sum is σ = 32175360. Its totient is φ = 14739200.
The previous prime is 23112667. The next prime is 23112697. The reversal of 23112681 is 18621132.
It is a cyclic number.
It is not a de Polignac number, because 23112681 - 27 = 23112553 is a prime.
It is a super-2 number, since 2×231126812 = 1068392046015522, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (23112641) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8656 + ... + 11006.
It is an arithmetic number, because the mean of its divisors is an integer number (2010960).
Almost surely, 223112681 is an apocalyptic number.
It is an amenable number.
23112681 is a deficient number, since it is larger than the sum of its proper divisors (9062679).
23112681 is a wasteful number, since it uses less digits than its factorization.
23112681 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2496.
The product of its digits is 576, while the sum is 24.
The square root of 23112681 is about 4807.5649761600. The cubic root of 23112681 is about 284.8503615820.
The spelling of 23112681 in words is "twenty-three million, one hundred twelve thousand, six hundred eighty-one".
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