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23404801720 = 235719813797
BaseRepresentation
bin10101110011000010…
…001110111010111000
32020102010021010011011
4111303002032322320
5340413112123340
614430234043304
71455664350346
oct256302167270
966363233134
1023404801720
119a20444a43
124652279534
13228cbc2201
1411c0582996
1591eb210ea
hex57308eeb8

23404801720 has 32 divisors (see below), whose sum is σ = 52734110400. Its totient is φ = 9348888448.

The previous prime is 23404801703. The next prime is 23404801747. The reversal of 23404801720 is 2710840432.

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, 378139 + ... + 435658.

It is an arithmetic number, because the mean of its divisors is an integer number (1647940950).

Almost surely, 223404801720 is an apocalyptic number.

23404801720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23404801720 is an abundant number, since it is smaller than the sum of its proper divisors (29329308680).

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

23404801720 is a wasteful number, since it uses less digits than its factorization.

23404801720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 814527 (or 814523 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 31.

The spelling of 23404801720 in words is "twenty-three billion, four hundred four million, eight hundred one thousand, seven hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 719 1438 2876 3595 5752 7190 14380 28760 813797 1627594 3255188 4068985 6510376 8137970 16275940 32551880 585120043 1170240086 2340480172 2925600215 4680960344 5851200430 11702400860 23404801720