Base | Representation |
---|---|
bin | 11000111100111000… |
… | …000100111100010100 |
3 | 2120011010020202220222 |
4 | 120330320010330110 |
5 | 414332012341134 |
6 | 20150243013512 |
7 | 1635623623160 |
oct | 307470047424 |
9 | 76133222828 |
10 | 26791137044 |
11 | 103a8997881 |
12 | 523836a298 |
13 | 26ac642419 |
14 | 14221d3ca0 |
15 | a6c079a2e |
hex | 63ce04f14 |
26791137044 has 24 divisors (see below), whose sum is σ = 53822565888. Its totient is φ = 11430424800.
The previous prime is 26791137041. The next prime is 26791137053. The reversal of 26791137044 is 44073119762.
It is a happy number.
It is a super-2 number, since 2×267911370442 (a number of 22 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 26791136986 and 26791137004.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (26791137041) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2139107 + ... + 2151594.
It is an arithmetic number, because the mean of its divisors is an integer number (2242606912).
Almost surely, 226791137044 is an apocalyptic number.
It is an amenable number.
26791137044 is an abundant number, since it is smaller than the sum of its proper divisors (27031428844).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
26791137044 is a wasteful number, since it uses less digits than its factorization.
26791137044 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4290935 (or 4290933 counting only the distinct ones).
The product of its (nonzero) digits is 254016, while the sum is 44.
The spelling of 26791137044 in words is "twenty-six billion, seven hundred ninety-one million, one hundred thirty-seven thousand, forty-four".
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