Base | Representation |
---|---|
bin | 10111010010110111… |
… | …10110001011111101 |
3 | 1012021120212011201021 |
4 | 23221123312023331 |
5 | 201103104411012 |
6 | 5424553544141 |
7 | 621630005062 |
oct | 135133661375 |
9 | 35246764637 |
10 | 12506325757 |
11 | 5338549712 |
12 | 2510415051 |
13 | 1244022c73 |
14 | 868d7cc69 |
15 | 4d2e38007 |
hex | 2e96f62fd |
12506325757 has 16 divisors (see below), whose sum is σ = 13478054400. Its totient is φ = 11561172480.
The previous prime is 12506325731. The next prime is 12506325779. The reversal of 12506325757 is 75752360521.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-12506325757 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12506325157) 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, 1320244 + ... + 1329682.
It is an arithmetic number, because the mean of its divisors is an integer number (842378400).
Almost surely, 212506325757 is an apocalyptic number.
12506325757 is a gapful number since it is divisible by the number (17) formed by its first and last digit.
It is an amenable number.
12506325757 is a deficient number, since it is larger than the sum of its proper divisors (971728643).
12506325757 is a wasteful number, since it uses less digits than its factorization.
12506325757 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10836.
The product of its (nonzero) digits is 441000, while the sum is 43.
The spelling of 12506325757 in words is "twelve billion, five hundred six million, three hundred twenty-five thousand, seven hundred fifty-seven".
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