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12297261792 = 253128096477
BaseRepresentation
bin10110111001111100…
…10101001011100000
31011202000110121212110
423130332111023200
5200141044334132
65352124555320
7613511000124
oct133476251340
934660417773
1012297261792
115240535882
1224723b2b40
13120c91418a
148492bb584
154be8dd1cc
hex2dcf952e0

12297261792 has 24 divisors (see below), whose sum is σ = 32280312456. Its totient is φ = 4099087232.

The previous prime is 12297261731. The next prime is 12297261817. The reversal of 12297261792 is 29716279221.

It is a tau number, because it is divible by the number of its divisors (24).

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 3 ways as a sum of consecutive naturals, for example, 64048143 + ... + 64048334.

It is an arithmetic number, because the mean of its divisors is an integer number (1345013019).

Almost surely, 212297261792 is an apocalyptic number.

12297261792 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12297261792 is an abundant number, since it is smaller than the sum of its proper divisors (19983050664).

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

12297261792 is a wasteful number, since it uses less digits than its factorization.

12297261792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128096490 (or 128096482 counting only the distinct ones).

The product of its digits is 381024, while the sum is 48.

The spelling of 12297261792 in words is "twelve billion, two hundred ninety-seven million, two hundred sixty-one thousand, seven hundred ninety-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 128096477 256192954 384289431 512385908 768578862 1024771816 1537157724 2049543632 3074315448 4099087264 6148630896 12297261792