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23708712960 = 214365397
BaseRepresentation
bin10110000101001001…
…100100000000000000
32021012022010102000000
4112011021210000000
5342023412303320
614520332000000
71466344510062
oct260511440000
967168112000
1023708712960
11a066a4aa59
124718000000
13230ab5c34a
14120ca93732
1593b653c90
hex585264000

23708712960 has 420 divisors, whose sum is σ = 85524622428. Its totient is φ = 6306398208.

The previous prime is 23708712953. The next prime is 23708712997. The reversal of 23708712960 is 6921780732.

It can be written as a sum of positive squares in 2 ways, for example, as 12230590464 + 11478122496 = 110592^2 + 107136^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 59719482 + ... + 59719878.

Almost surely, 223708712960 is an apocalyptic number.

23708712960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23708712960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42762311214).

23708712960 is an abundant number, since it is smaller than the sum of its proper divisors (61815909468).

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

23708712960 is an frugal number, since it uses more digits than its factorization.

23708712960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448 (or 407 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

It can be divided in two parts, 237087 and 12960, that added together give a cube (250047 = 633).

The spelling of 23708712960 in words is "twenty-three billion, seven hundred eight million, seven hundred twelve thousand, nine hundred sixty".