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23939082489 = 371796368471
BaseRepresentation
bin10110010010111000…
…010110100011111001
32021210100121101120210
4112102320112203321
5343011401114424
614555241341333
71505142562260
oct262270264371
967710541523
1023939082489
11a174a95aa3
124781197849
1323467ba88a
1412314dd5d7
159519ab729
hex592e168f9

23939082489 has 16 divisors (see below), whose sum is σ = 36682398720. Its totient is φ = 13603051920.

The previous prime is 23939082463. The next prime is 23939082511. The reversal of 23939082489 is 98428093932.

It is not a de Polignac number, because 23939082489 - 217 = 23938951417 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (23939082439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3180477 + ... + 3187994.

It is an arithmetic number, because the mean of its divisors is an integer number (2292649920).

Almost surely, 223939082489 is an apocalyptic number.

It is an amenable number.

23939082489 is a deficient number, since it is larger than the sum of its proper divisors (12743316231).

23939082489 is a wasteful number, since it uses less digits than its factorization.

23939082489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6368660.

The product of its (nonzero) digits is 6718464, while the sum is 57.

The spelling of 23939082489 in words is "twenty-three billion, nine hundred thirty-nine million, eighty-two thousand, four hundred eighty-nine".

Divisors: 1 3 7 21 179 537 1253 3759 6368471 19105413 44579297 133737891 1139956309 3419868927 7979694163 23939082489