Base | Representation |
---|---|
bin | 1100100110110110100010… |
… | …0101111000011110000001 |
3 | 1211002011020201200012210212 |
4 | 3021231220211320132001 |
5 | 3304102041220202111 |
6 | 45251534311403505 |
7 | 2630316502566314 |
oct | 311555045703601 |
9 | 54064221605725 |
10 | 13861614225281 |
11 | 446474a949929 |
12 | 167a582683595 |
13 | 7971b5938854 |
14 | 35cc9739897b |
15 | 19088bc8a98b |
hex | c9b68978781 |
13861614225281 has 16 divisors (see below), whose sum is σ = 14101453977600. Its totient is φ = 13623861702528.
The previous prime is 13861614225259. The next prime is 13861614225293. The reversal of 13861614225281 is 18252241616831.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-13861614225281 is a prime.
It is a super-2 number, since 2×138616142252812 (a number of 27 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (13861614221281) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79912061 + ... + 80085333.
It is an arithmetic number, because the mean of its divisors is an integer number (881340873600).
Almost surely, 213861614225281 is an apocalyptic number.
It is an amenable number.
13861614225281 is a deficient number, since it is larger than the sum of its proper divisors (239839752319).
13861614225281 is a wasteful number, since it uses less digits than its factorization.
13861614225281 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 179288.
The product of its digits is 1105920, while the sum is 50.
The spelling of 13861614225281 in words is "thirteen trillion, eight hundred sixty-one billion, six hundred fourteen million, two hundred twenty-five thousand, two hundred eighty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.080 sec. • engine limits •