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12650934969 = 33900752021
BaseRepresentation
bin10111100100000110…
…11111001010111001
31012122122222002021000
423302003133022321
5201402114404334
65451201235213
7625334113221
oct136203371271
935578862230
1012650934969
115402139762
122550932b09
131267c8524a
14880263081
154e09a0299
hex2f20df2b9

12650934969 has 16 divisors (see below), whose sum is σ = 18744567040. Its totient is φ = 8432858160.

The previous prime is 12650934953. The next prime is 12650934971. The reversal of 12650934969 is 96943905621.

12650934969 is a `hidden beast` number, since 1 + 2 + 65 + 0 + 93 + 496 + 9 = 666.

It is not a de Polignac number, because 12650934969 - 24 = 12650934953 is a prime.

It is a super-2 number, since 2×126509349692 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12650934929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 217179 + ... + 269199.

It is an arithmetic number, because the mean of its divisors is an integer number (1171535440).

Almost surely, 212650934969 is an apocalyptic number.

It is an amenable number.

12650934969 is a deficient number, since it is larger than the sum of its proper divisors (6093632071).

12650934969 is an equidigital number, since it uses as much as digits as its factorization.

12650934969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61037 (or 61031 counting only the distinct ones).

The product of its (nonzero) digits is 3149280, while the sum is 54.

The spelling of 12650934969 in words is "twelve billion, six hundred fifty million, nine hundred thirty-four thousand, nine hundred sixty-nine".

Divisors: 1 3 9 27 9007 27021 52021 81063 156063 243189 468189 1404567 468553147 1405659441 4216978323 12650934969