Base | Representation |
---|---|
bin | 10111011111011110… |
… | …00101001111001101 |
3 | 1012112221202120122110 |
4 | 23233233011033031 |
5 | 201312140001222 |
6 | 5443251334233 |
7 | 624352332645 |
oct | 135757051715 |
9 | 35487676573 |
10 | 12612031437 |
11 | 5392187985 |
12 | 253b8b1379 |
13 | 125cbb37c5 |
14 | 879017525 |
15 | 4dc36830c |
hex | 2efbc53cd |
12612031437 has 16 divisors (see below), whose sum is σ = 16952606208. Its totient is φ = 8339905200.
The previous prime is 12612031433. The next prime is 12612031457. The reversal of 12612031437 is 73413021621.
It is a happy number.
It is not a de Polignac number, because 12612031437 - 22 = 12612031433 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12612031433) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 289018 + ... + 329780.
It is an arithmetic number, because the mean of its divisors is an integer number (1059537888).
Almost surely, 212612031437 is an apocalyptic number.
It is an amenable number.
12612031437 is a deficient number, since it is larger than the sum of its proper divisors (4340574771).
12612031437 is a wasteful number, since it uses less digits than its factorization.
12612031437 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 41600.
The product of its (nonzero) digits is 6048, while the sum is 30.
The spelling of 12612031437 in words is "twelve billion, six hundred twelve million, thirty-one thousand, four hundred thirty-seven".
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