Base | Representation |
---|---|
bin | 11000100000010000… |
… | …10111010100011111 |
3 | 1020221211110011112102 |
4 | 30100020113110133 |
5 | 203420303430030 |
6 | 10013224355315 |
7 | 644002105625 |
oct | 142010272437 |
9 | 36854404472 |
10 | 13155530015 |
11 | 5640a54461 |
12 | 2671915b3b |
13 | 13186889b4 |
14 | 8cb293515 |
15 | 51ee24c45 |
hex | 31021751f |
13155530015 has 16 divisors (see below), whose sum is σ = 16085930400. Its totient is φ = 10325599872.
The previous prime is 13155529993. The next prime is 13155530051. The reversal of 13155530015 is 51003555131.
It is a cyclic number.
It is not a de Polignac number, because 13155530015 - 216 = 13155464479 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 13155530015.
It is a congruent 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, 106349 + ... + 193961.
It is an arithmetic number, because the mean of its divisors is an integer number (1005370650).
Almost surely, 213155530015 is an apocalyptic number.
13155530015 is a deficient number, since it is larger than the sum of its proper divisors (2930400385).
13155530015 is an equidigital number, since it uses as much as digits as its factorization.
13155530015 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 88186.
The product of its (nonzero) digits is 5625, while the sum is 29.
The spelling of 13155530015 in words is "thirteen billion, one hundred fifty-five million, five hundred thirty thousand, fifteen".
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