Base | Representation |
---|---|
bin | 10111111111010011… |
… | …11110101100101100 |
3 | 1020020120100120011011 |
4 | 23333221332230230 |
5 | 202334024120023 |
6 | 5525552235004 |
7 | 634104536116 |
oct | 137751765454 |
9 | 36216316134 |
10 | 12879129388 |
11 | 5509a29594 |
12 | 25b523ba64 |
13 | 12a3331728 |
14 | 8a26a43b6 |
15 | 505a2850d |
hex | 2ffa7eb2c |
12879129388 has 6 divisors (see below), whose sum is σ = 22538476436. Its totient is φ = 6439564692.
The previous prime is 12879129359. The next prime is 12879129407. The reversal of 12879129388 is 88392197821.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1609891170 + ... + 1609891177.
Almost surely, 212879129388 is an apocalyptic number.
It is an amenable number.
12879129388 is a deficient number, since it is larger than the sum of its proper divisors (9659347048).
12879129388 is a wasteful number, since it uses less digits than its factorization.
12879129388 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3219782351 (or 3219782349 counting only the distinct ones).
The product of its digits is 3483648, while the sum is 58.
The spelling of 12879129388 in words is "twelve billion, eight hundred seventy-nine million, one hundred twenty-nine thousand, three hundred eighty-eight".
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