Base | Representation |
---|---|
bin | 11000010001000110… |
… | …11001100111111111 |
3 | 1020121222020021102002 |
4 | 30020203121213333 |
5 | 203140232241430 |
6 | 5552443452515 |
7 | 640566366230 |
oct | 141043314777 |
9 | 36558207362 |
10 | 13028399615 |
11 | 5586212510 |
12 | 263722713b |
13 | 12c82363ca |
14 | 8b843d087 |
15 | 513bb1845 |
hex | 3088d99ff |
13028399615 has 32 divisors (see below), whose sum is σ = 19498558464. Its totient is φ = 8118800640.
The previous prime is 13028399603. The next prime is 13028399639. The reversal of 13028399615 is 51699382031.
It is not a de Polignac number, because 13028399615 - 216 = 13028334079 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 13028399615.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2082422 + ... + 2088668.
It is an arithmetic number, because the mean of its divisors is an integer number (609329952).
Almost surely, 213028399615 is an apocalyptic number.
13028399615 is a deficient number, since it is larger than the sum of its proper divisors (6470158849).
13028399615 is a wasteful number, since it uses less digits than its factorization.
13028399615 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11687.
The product of its (nonzero) digits is 349920, while the sum is 47.
The spelling of 13028399615 in words is "thirteen billion, twenty-eight million, three hundred ninety-nine thousand, six hundred fifteen".
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