Base | Representation |
---|---|
bin | 10101110111010101… |
… | …100100101111001001 |
3 | 2020121011002012002000 |
4 | 111313111210233021 |
5 | 341040101340211 |
6 | 14441333101213 |
7 | 1460532020550 |
oct | 256725445711 |
9 | 66534065060 |
10 | 23476980681 |
11 | 9a58164080 |
12 | 4672487809 |
13 | 22a1b4475b |
14 | 11c9db0d97 |
15 | 92612c656 |
hex | 577564bc9 |
23476980681 has 64 divisors (see below), whose sum is σ = 43392983040. Its totient is φ = 12187393920.
The previous prime is 23476980679. The next prime is 23476980701. The reversal of 23476980681 is 18608967432.
23476980681 is a `hidden beast` number, since 2 + 3 + 476 + 98 + 0 + 6 + 81 = 666.
It is not a de Polignac number, because 23476980681 - 21 = 23476980679 is a prime.
It is a super-2 number, since 2×234769806812 (a number of 22 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (23476980661) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3974176 + ... + 3980078.
It is an arithmetic number, because the mean of its divisors is an integer number (678015360).
Almost surely, 223476980681 is an apocalyptic number.
23476980681 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
It is an amenable number.
23476980681 is a deficient number, since it is larger than the sum of its proper divisors (19916002359).
23476980681 is a wasteful number, since it uses less digits than its factorization.
23476980681 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7843 (or 7837 counting only the distinct ones).
The product of its (nonzero) digits is 3483648, while the sum is 54.
The spelling of 23476980681 in words is "twenty-three billion, four hundred seventy-six million, nine hundred eighty thousand, six hundred eighty-one".
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