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23230121312 = 253123417461
BaseRepresentation
bin10101101000100111…
…111000010101100000
32012221221120102200102
4111220213320111200
5340033402340222
614401034041532
71451443526126
oct255047702540
965857512612
1023230121312
119940885a72
1246038792a8
132262961718
1411a52b1916
1590e618d92
hex5689f8560

23230121312 has 24 divisors (see below), whose sum is σ = 47209603392. Its totient is φ = 11240380800.

The previous prime is 23230121309. The next prime is 23230121333. The reversal of 23230121312 is 21312103232.

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, 11707739 + ... + 11709722.

It is an arithmetic number, because the mean of its divisors is an integer number (1967066808).

Almost surely, 223230121312 is an apocalyptic number.

It is an amenable number.

23230121312 is an abundant number, since it is smaller than the sum of its proper divisors (23979482080).

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

23230121312 is a wasteful number, since it uses less digits than its factorization.

23230121312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23417502 (or 23417494 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 23230121312 its reverse (21312103232), we get a palindrome (44542224544).

The spelling of 23230121312 in words is "twenty-three billion, two hundred thirty million, one hundred twenty-one thousand, three hundred twelve".

Divisors: 1 2 4 8 16 31 32 62 124 248 496 992 23417461 46834922 93669844 187339688 374679376 725941291 749358752 1451882582 2903765164 5807530328 11615060656 23230121312