Base | Representation |
---|---|
bin | 10111100100000110… |
… | …11111001010111001 |
3 | 1012122122222002021000 |
4 | 23302003133022321 |
5 | 201402114404334 |
6 | 5451201235213 |
7 | 625334113221 |
oct | 136203371271 |
9 | 35578862230 |
10 | 12650934969 |
11 | 5402139762 |
12 | 2550932b09 |
13 | 1267c8524a |
14 | 880263081 |
15 | 4e09a0299 |
hex | 2f20df2b9 |
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".
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