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23476980681 = 3371119135903
BaseRepresentation
bin10101110111010101…
…100100101111001001
32020121011002012002000
4111313111210233021
5341040101340211
614441333101213
71460532020550
oct256725445711
966534065060
1023476980681
119a58164080
124672487809
1322a1b4475b
1411c9db0d97
1592612c656
hex577564bc9

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".

Divisors: 1 3 7 9 11 21 27 33 63 77 99 189 231 297 693 1913 2079 5739 5903 13391 17217 17709 21043 40173 41321 51651 53127 63129 64933 120519 123963 147301 159381 189387 194799 361557 371889 441903 454531 568161 584397 1115667 1325709 1363593 1753191 3977127 4090779 11292439 12272337 33877317 79047073 101631951 124216829 237141219 304895853 372650487 711423657 869517803 1117951461 2134270971 2608553409 3353854383 7825660227 23476980681