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12152210973 = 371823317431
BaseRepresentation
bin10110101000101010…
…00000011000011101
31011100220112021112220
423110111000120131
5144341431222343
65325504015553
7610100042340
oct132425003035
934326467486
1012152210973
115176673a71
1224319015b9
1311b8858ba6
14833d20457
154b1cda183
hex2d454061d

12152210973 has 16 divisors (see below), whose sum is σ = 18527870976. Its totient is φ = 6940289520.

The previous prime is 12152210909. The next prime is 12152210981. The reversal of 12152210973 is 37901225121.

It is not a de Polignac number, because 12152210973 - 26 = 12152210909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12152210173) 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, 120433 + ... + 196998.

It is an arithmetic number, because the mean of its divisors is an integer number (1157991936).

Almost surely, 212152210973 is an apocalyptic number.

It is an amenable number.

12152210973 is a deficient number, since it is larger than the sum of its proper divisors (6375660003).

12152210973 is a wasteful number, since it uses less digits than its factorization.

12152210973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319264.

The product of its (nonzero) digits is 7560, while the sum is 33.

The spelling of 12152210973 in words is "twelve billion, one hundred fifty-two million, two hundred ten thousand, nine hundred seventy-three".

Divisors: 1 3 7 21 1823 5469 12761 38283 317431 952293 2222017 6666051 578676713 1736030139 4050736991 12152210973