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23341745920 = 28518235739
BaseRepresentation
bin10101101111010001…
…101100011100000000
32020020201121112212011
4111233101230130000
5340300441332140
614420102342304
71454300365243
oct255721543400
966221545764
1023341745920
119998897209
12463512a994
13227cb1539c
1411b604b25a
15919317cea
hex56f46c700

23341745920 has 36 divisors (see below), whose sum is σ = 55910778840. Its totient is φ = 9336697856.

The previous prime is 23341745897. The next prime is 23341745941. The reversal of 23341745920 is 2954714332.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9116590 + ... + 9119149.

It is an arithmetic number, because the mean of its divisors is an integer number (1553077190).

Almost surely, 223341745920 is an apocalyptic number.

23341745920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23341745920 is an abundant number, since it is smaller than the sum of its proper divisors (32569032920).

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

23341745920 is an equidigital number, since it uses as much as digits as its factorization.

23341745920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18235760 (or 18235746 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 40.

The spelling of 23341745920 in words is "twenty-three billion, three hundred forty-one million, seven hundred forty-five thousand, nine hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 128 160 256 320 640 1280 18235739 36471478 72942956 91178695 145885912 182357390 291771824 364714780 583543648 729429560 1167087296 1458859120 2334174592 2917718240 4668349184 5835436480 11670872960 23341745920