Base | Representation |
---|---|
bin | 11001011001000110… |
… | …111110011010001010 |
3 | 2121101010112120111201 |
4 | 121121012332122022 |
5 | 421314242220430 |
6 | 20305243214414 |
7 | 1653435004630 |
oct | 313106763212 |
9 | 77333476451 |
10 | 27264804490 |
11 | 106212a9180 |
12 | 534ab1740a |
13 | 2756807911 |
14 | 1469093350 |
15 | a989408ca |
hex | 6591be68a |
27264804490 has 128 divisors (see below), whose sum is σ = 64505548800. Its totient is φ = 8038517760.
The previous prime is 27264804487. The next prime is 27264804491. The reversal of 27264804490 is 9440846272.
It is a self number, because there is not a number n which added to its sum of digits gives 27264804490.
It is not an unprimeable number, because it can be changed into a prime (27264804491) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 14760747 + ... + 14762593.
It is an arithmetic number, because the mean of its divisors is an integer number (503949600).
Almost surely, 227264804490 is an apocalyptic number.
27264804490 is an abundant number, since it is smaller than the sum of its proper divisors (37240744310).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
27264804490 is a wasteful number, since it uses less digits than its factorization.
27264804490 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2900.
The product of its (nonzero) digits is 774144, while the sum is 46.
The spelling of 27264804490 in words is "twenty-seven billion, two hundred sixty-four million, eight hundred four thousand, four hundred ninety".
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