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23809646064 = 243922753759
BaseRepresentation
bin10110001011001010…
…100101110111110000
32021110100001100012010
4112023022211313300
5342230232133224
614534335202520
71502011436511
oct261312456760
967410040163
1023809646064
11a108a19546
124745976440
132325a3b789
14121c248a08
1594543ee29
hex58b2a5df0

23809646064 has 40 divisors (see below), whose sum is σ = 61516062720. Its totient is φ = 7935540928.

The previous prime is 23809646059. The next prime is 23809646083. The reversal of 23809646064 is 46064690832.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 416017 + ... + 469775.

It is an arithmetic number, because the mean of its divisors is an integer number (1537901568).

Almost surely, 223809646064 is an apocalyptic number.

23809646064 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

23809646064 is an abundant number, since it is smaller than the sum of its proper divisors (37706416656).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23809646064 is a wasteful number, since it uses less digits than its factorization.

23809646064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62997 (or 62991 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 48.

The spelling of 23809646064 in words is "twenty-three billion, eight hundred nine million, six hundred forty-six thousand, sixty-four".

Divisors: 1 2 3 4 6 8 12 16 24 48 9227 18454 27681 36908 53759 55362 73816 107518 110724 147632 161277 215036 221448 322554 430072 442896 645108 860144 1290216 2580432 496034293 992068586 1488102879 1984137172 2976205758 3968274344 5952411516 7936548688 11904823032 23809646064