Base | Representation |
---|---|
bin | 11000101001000000… |
… | …01110001111001011 |
3 | 1021010221111101210212 |
4 | 30110200032033023 |
5 | 204043044040011 |
6 | 10024405031335 |
7 | 645552510356 |
oct | 142440161713 |
9 | 37127441725 |
10 | 13228893131 |
11 | 5679402233 |
12 | 26923b554b |
13 | 132a93421c |
14 | 8d6d0d29d |
15 | 5265b708b |
hex | 31480e3cb |
13228893131 has 2 divisors, whose sum is σ = 13228893132. Its totient is φ = 13228893130.
The previous prime is 13228893109. The next prime is 13228893191. The reversal of 13228893131 is 13139882231.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 13228893131 - 214 = 13228876747 is a prime.
It is a super-2 number, since 2×132288931312 (a number of 21 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (13228893191) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6614446565 + 6614446566.
It is an arithmetic number, because the mean of its divisors is an integer number (6614446566).
Almost surely, 213228893131 is an apocalyptic number.
13228893131 is a deficient number, since it is larger than the sum of its proper divisors (1).
13228893131 is an equidigital number, since it uses as much as digits as its factorization.
13228893131 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 62208, while the sum is 41.
The spelling of 13228893131 in words is "thirteen billion, two hundred twenty-eight million, eight hundred ninety-three thousand, one hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.076 sec. • engine limits •