Base | Representation |
---|---|
bin | 10111100001000111… |
… | …00100111110010101 |
3 | 1012120220122201211220 |
4 | 23300203210332111 |
5 | 201324200333132 |
6 | 5444502320553 |
7 | 624610316613 |
oct | 136043447625 |
9 | 35526581756 |
10 | 12625792917 |
11 | 5399a27101 |
12 | 2544429159 |
13 | 12629c14aa |
14 | 87ab9a6b3 |
15 | 4dd685a2c |
hex | 2f08e4f95 |
12625792917 has 8 divisors (see below), whose sum is σ = 17824648896. Its totient is φ = 7922066112.
The previous prime is 12625792903. The next prime is 12625792919. The reversal of 12625792917 is 71929752621.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 12625792917 - 214 = 12625776533 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (51), and also a Moran number because the ratio is a prime number: 247564567 = 12625792917 / (1 + 2 + 6 + 2 + 5 + 7 + 9 + 2 + 9 + 1 + 7).
It is a self number, because there is not a number n which added to its sum of digits gives 12625792917.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12625792919) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123782233 + ... + 123782334.
It is an arithmetic number, because the mean of its divisors is an integer number (2228081112).
Almost surely, 212625792917 is an apocalyptic number.
12625792917 is a gapful number since it is divisible by the number (17) formed by its first and last digit.
It is an amenable number.
12625792917 is a deficient number, since it is larger than the sum of its proper divisors (5198855979).
12625792917 is a wasteful number, since it uses less digits than its factorization.
12625792917 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 247564587.
The product of its digits is 952560, while the sum is 51.
The spelling of 12625792917 in words is "twelve billion, six hundred twenty-five million, seven hundred ninety-two thousand, nine hundred seventeen".
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