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23657224139 = 251288732647
BaseRepresentation
bin10110000010000101…
…001001011111001011
32021001201020111121122
4112002011021133023
5341422222133024
614511252225455
71465151041643
oct260205113713
967051214548
1023657224139
11a03a98270a
12470290b28b
1323002a23a3
141205ccd523
15936d82d5e
hex5821497cb

23657224139 has 8 divisors (see below), whose sum is σ = 23760430848. Its totient is φ = 23554089000.

The previous prime is 23657224133. The next prime is 23657224141. The reversal of 23657224139 is 93142275632.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23657224139 - 224 = 23640446923 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23657224139.

It is not an unprimeable number, because it can be changed into a prime (23657224133) 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, 708314 + ... + 740960.

It is an arithmetic number, because the mean of its divisors is an integer number (2970053856).

Almost surely, 223657224139 is an apocalyptic number.

23657224139 is a deficient number, since it is larger than the sum of its proper divisors (103206709).

23657224139 is a wasteful number, since it uses less digits than its factorization.

23657224139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35785.

The product of its digits is 544320, while the sum is 44.

The spelling of 23657224139 in words is "twenty-three billion, six hundred fifty-seven million, two hundred twenty-four thousand, one hundred thirty-nine".

Divisors: 1 251 2887 32647 724637 8194397 94251889 23657224139