Base | Representation |
---|---|
bin | 10111010001110000… |
… | …00001111011000111 |
3 | 1012020221012011021110 |
4 | 23220320001323013 |
5 | 201043203433042 |
6 | 5424020420103 |
7 | 621454131426 |
oct | 135070017307 |
9 | 35227164243 |
10 | 12496936647 |
11 | 5333216518 |
12 | 2509247633 |
13 | 12420b6490 |
14 | 867a172bd |
15 | 4d21d109c |
hex | 2e8e01ec7 |
12496936647 has 16 divisors (see below), whose sum is σ = 17950675680. Its totient is φ = 7687698432.
The previous prime is 12496936637. The next prime is 12496936667. The reversal of 12496936647 is 74663969421.
It is a happy number.
12496936647 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 12496936647 - 211 = 12496934599 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12496936607) by changing a digit.
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 15 ways as a sum of consecutive naturals, for example, 57679 + ... + 168287.
It is an arithmetic number, because the mean of its divisors is an integer number (1121917230).
Almost surely, 212496936647 is an apocalyptic number.
12496936647 is a deficient number, since it is larger than the sum of its proper divisors (5453739033).
12496936647 is a wasteful number, since it uses less digits than its factorization.
12496936647 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 113522.
The product of its digits is 11757312, while the sum is 57.
The spelling of 12496936647 in words is "twelve billion, four hundred ninety-six million, nine hundred thirty-six thousand, six hundred forty-seven".
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