Base | Representation |
---|---|
bin | 11001011000101001… |
… | …00100100101100011 |
3 | 1022011210102010120211 |
4 | 30230110210211203 |
5 | 210402343222011 |
6 | 10132201514551 |
7 | 661504162132 |
oct | 145424444543 |
9 | 38153363524 |
10 | 13628492131 |
11 | 5863a23941 |
12 | 27841a2a57 |
13 | 1392665137 |
14 | 93400b919 |
15 | 54b6ebb21 |
hex | 32c524963 |
13628492131 has 2 divisors, whose sum is σ = 13628492132. Its totient is φ = 13628492130.
The previous prime is 13628492107. The next prime is 13628492167. The reversal of 13628492131 is 13129482631.
It is a happy number.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 13628492131 - 215 = 13628459363 is a prime.
It is a super-2 number, since 2×136284921312 (a number of 21 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (13628492191) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6814246065 + 6814246066.
It is an arithmetic number, because the mean of its divisors is an integer number (6814246066).
Almost surely, 213628492131 is an apocalyptic number.
13628492131 is a deficient number, since it is larger than the sum of its proper divisors (1).
13628492131 is an equidigital number, since it uses as much as digits as its factorization.
13628492131 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 62208, while the sum is 40.
The spelling of 13628492131 in words is "thirteen billion, six hundred twenty-eight million, four hundred ninety-two thousand, one hundred thirty-one".
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