Base | Representation |
---|---|
bin | 10110010101011000… |
… | …100001010101110100 |
3 | 2021220021121120012002 |
4 | 112111120201111310 |
5 | 343103123212214 |
6 | 15003341314432 |
7 | 1506162505025 |
oct | 262530412564 |
9 | 67807546162 |
10 | 23981069684 |
11 | a196763660 |
12 | 4793265a18 |
13 | 23523cba80 |
14 | 1236d0cc4c |
15 | 9555021de |
hex | 595621574 |
23981069684 has 24 divisors (see below), whose sum is σ = 49303738848. Its totient is φ = 10061987040.
The previous prime is 23981069677. The next prime is 23981069687. The reversal of 23981069684 is 48696018932.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23981069687) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20961902 + ... + 20963045.
It is an arithmetic number, because the mean of its divisors is an integer number (2054322452).
Almost surely, 223981069684 is an apocalyptic number.
It is an amenable number.
23981069684 is an abundant number, since it is smaller than the sum of its proper divisors (25322669164).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23981069684 is a wasteful number, since it uses less digits than its factorization.
23981069684 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 41924975 (or 41924973 counting only the distinct ones).
The product of its (nonzero) digits is 4478976, while the sum is 56.
The spelling of 23981069684 in words is "twenty-three billion, nine hundred eighty-one million, sixty-nine thousand, six hundred eighty-four".
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