Base | Representation |
---|---|
bin | 11000011101000110… |
… | …01011110110000001 |
3 | 1020212222112122001201 |
4 | 30032203023312001 |
5 | 203342011201330 |
6 | 10010440101201 |
7 | 643230466531 |
oct | 141643136601 |
9 | 36788478051 |
10 | 13129006465 |
11 | 5627a88973 |
12 | 2664a64801 |
13 | 13130301a3 |
14 | 8c794b4c1 |
15 | 51c935eca |
hex | 30e8cbd81 |
13129006465 has 16 divisors (see below), whose sum is σ = 16003438272. Its totient is φ = 10338704064.
The previous prime is 13129006453. The next prime is 13129006477. The reversal of 13129006465 is 56460092131.
It is an interprime number because it is at equal distance from previous prime (13129006453) and next prime (13129006477).
It is a cyclic number.
It is not a de Polignac number, because 13129006465 - 213 = 13128998273 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5842 + ... + 162148.
It is an arithmetic number, because the mean of its divisors is an integer number (1000214892).
Almost surely, 213129006465 is an apocalyptic number.
It is an amenable number.
13129006465 is a deficient number, since it is larger than the sum of its proper divisors (2874431807).
13129006465 is a wasteful number, since it uses less digits than its factorization.
13129006465 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 156576.
The product of its (nonzero) digits is 38880, while the sum is 37.
Adding to 13129006465 its reverse (56460092131), we get a palindrome (69589098596).
The spelling of 13129006465 in words is "thirteen billion, one hundred twenty-nine million, six thousand, four hundred sixty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •