Base | Representation |
---|---|
bin | 10110100110001000… |
… | …10010110000111110 |
3 | 1011022102201022201200 |
4 | 23103010102300332 |
5 | 144321022140411 |
6 | 5323430320330 |
7 | 606422150211 |
oct | 132304226076 |
9 | 34272638650 |
10 | 12131052606 |
11 | 5165732412 |
12 | 24267b90a6 |
13 | 11b435b44a |
14 | 8311b3778 |
15 | 4b000ae56 |
hex | 2d3112c3e |
12131052606 has 24 divisors (see below), whose sum is σ = 26554919664. Its totient is φ = 4001996160.
The previous prime is 12131052589. The next prime is 12131052631. The reversal of 12131052606 is 60625013121.
12131052606 is a `hidden beast` number, since 1 + 2 + 1 + 3 + 1 + 0 + 52 + 606 = 666.
It is a self number, because there is not a number n which added to its sum of digits gives 12131052606.
It is a congruent number.
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, 3472210 + ... + 3475701.
It is an arithmetic number, because the mean of its divisors is an integer number (1106454986).
Almost surely, 212131052606 is an apocalyptic number.
12131052606 is an abundant number, since it is smaller than the sum of its proper divisors (14423867058).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12131052606 is a wasteful number, since it uses less digits than its factorization.
12131052606 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6948016 (or 6948013 counting only the distinct ones).
The product of its (nonzero) digits is 2160, while the sum is 27.
Adding to 12131052606 its reverse (60625013121), we get a palindrome (72756065727).
The spelling of 12131052606 in words is "twelve billion, one hundred thirty-one million, fifty-two thousand, six hundred six".
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