Base | Representation |
---|---|
bin | 10111011111100001… |
… | …00000110101010100 |
3 | 1012112222110122021211 |
4 | 23233300200311110 |
5 | 201312234002422 |
6 | 5443303351204 |
7 | 624355454521 |
oct | 135760406524 |
9 | 35488418254 |
10 | 12612406612 |
11 | 5392413843 |
12 | 253ba52504 |
13 | 125ccb54c0 |
14 | 8790b4148 |
15 | 4dc3de577 |
hex | 2efc20d54 |
12612406612 has 12 divisors (see below), whose sum is σ = 23769535636. Its totient is φ = 5821110720.
The previous prime is 12612406579. The next prime is 12612406621. The reversal of 12612406612 is 21660421621.
It is a happy number.
12612406612 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 5612407056 + 6999999556 = 74916^2 + 83666^2 .
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121273089 + ... + 121273192.
Almost surely, 212612406612 is an apocalyptic number.
It is an amenable number.
12612406612 is a deficient number, since it is larger than the sum of its proper divisors (11157129024).
12612406612 is a wasteful number, since it uses less digits than its factorization.
12612406612 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 242546298 (or 242546296 counting only the distinct ones).
The product of its (nonzero) digits is 6912, while the sum is 31.
The spelling of 12612406612 in words is "twelve billion, six hundred twelve million, four hundred six thousand, six hundred twelve".
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