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12253904997 = 3172153111599
BaseRepresentation
bin10110110100110001…
…11100000001100101
31011121222212212112020
423122120330001211
5200043444424442
65343535413353
7612443321355
oct133230740145
934558785466
1012253904997
115219012214
12245b984259
131203943779
14843632b65
154babc69ec
hex2da63c065

12253904997 has 16 divisors (see below), whose sum is σ = 17307820800. Its totient is φ = 7685084672.

The previous prime is 12253904987. The next prime is 12253905019. The reversal of 12253904997 is 79940935221.

It is a cyclic number.

It is not a de Polignac number, because 12253904997 - 26 = 12253904933 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12253904987) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54004 + ... + 165602.

It is an arithmetic number, because the mean of its divisors is an integer number (1081738800).

Almost surely, 212253904997 is an apocalyptic number.

12253904997 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

12253904997 is a deficient number, since it is larger than the sum of its proper divisors (5053915803).

12253904997 is a wasteful number, since it uses less digits than its factorization.

12253904997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113772.

The product of its (nonzero) digits is 1224720, while the sum is 51.

The spelling of 12253904997 in words is "twelve billion, two hundred fifty-three million, nine hundred four thousand, nine hundred ninety-seven".

Divisors: 1 3 17 51 2153 6459 36601 109803 111599 334797 1897183 5691549 240272647 720817941 4084634999 12253904997