Base | Representation |
---|---|
bin | 10110100101010111… |
… | …01011001110111001 |
3 | 1011021222120110100120 |
4 | 23102223223032321 |
5 | 144312344133400 |
6 | 5323040123453 |
7 | 606313251534 |
oct | 132253531671 |
9 | 34258513316 |
10 | 12124599225 |
11 | 5162024942 |
12 | 2424606589 |
13 | 11b2c0bc8b |
14 | 8303b3a1b |
15 | 4ae683ca0 |
hex | 2d2aeb3b9 |
12124599225 has 12 divisors (see below), whose sum is σ = 20046004176. Its totient is φ = 6466452880.
The previous prime is 12124599197. The next prime is 12124599251. The reversal of 12124599225 is 52299542121.
It is not a de Polignac number, because 12124599225 - 212 = 12124595129 is a prime.
It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 80830587 + ... + 80830736.
It is an arithmetic number, because the mean of its divisors is an integer number (1670500348).
Almost surely, 212124599225 is an apocalyptic number.
12124599225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
12124599225 is a deficient number, since it is larger than the sum of its proper divisors (7921404951).
12124599225 is a wasteful number, since it uses less digits than its factorization.
12124599225 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 161661336 (or 161661331 counting only the distinct ones).
The product of its digits is 129600, while the sum is 42.
The spelling of 12124599225 in words is "twelve billion, one hundred twenty-four million, five hundred ninety-nine thousand, two hundred twenty-five".
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