Base | Representation |
---|---|
bin | 11000111111010011… |
… | …110111100111101110 |
3 | 2120020222002122201210 |
4 | 120333103313213232 |
5 | 414422441230232 |
6 | 20154302215250 |
7 | 1636631020011 |
oct | 307723674756 |
9 | 76228078653 |
10 | 26831976942 |
11 | 10419a51461 |
12 | 5249b84526 |
13 | 26b7c41344 |
14 | 14277c5378 |
15 | a709455cc |
hex | 63f4f79ee |
26831976942 has 64 divisors (see below), whose sum is σ = 56589410304. Its totient is φ = 8470344960.
The previous prime is 26831976937. The next prime is 26831976949. The reversal of 26831976942 is 24967913862.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (26831976949) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4211043 + ... + 4217409.
It is an arithmetic number, because the mean of its divisors is an integer number (884209536).
Almost surely, 226831976942 is an apocalyptic number.
26831976942 is an abundant number, since it is smaller than the sum of its proper divisors (29757433362).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
26831976942 is a wasteful number, since it uses less digits than its factorization.
26831976942 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6913.
The product of its digits is 7838208, while the sum is 57.
The spelling of 26831976942 in words is "twenty-six billion, eight hundred thirty-one million, nine hundred seventy-six thousand, nine hundred forty-two".
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