Base | Representation |
---|---|
bin | 1010011011111001… |
… | …0110111111111110 |
3 | 21020020021002022220 |
4 | 2212332112333332 |
5 | 21214122134430 |
6 | 1141550550210 |
7 | 126264131604 |
oct | 24676267776 |
9 | 7206232286 |
10 | 2801364990 |
11 | 120832aa86 |
12 | 662208366 |
13 | 3584b7628 |
14 | 1c809b874 |
15 | 115e09110 |
hex | a6f96ffe |
2801364990 has 32 divisors (see below), whose sum is σ = 6729760800. Its totient is φ = 746310144.
The previous prime is 2801364913. The next prime is 2801364991. The reversal of 2801364990 is 994631082.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2801364991) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13039 + ... + 75978.
It is an arithmetic number, because the mean of its divisors is an integer number (210305025).
Almost surely, 22801364990 is an apocalyptic number.
2801364990 is an abundant number, since it is smaller than the sum of its proper divisors (3928395810).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2801364990 is a wasteful number, since it uses less digits than its factorization.
2801364990 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 90076.
The product of its (nonzero) digits is 93312, while the sum is 42.
The square root of 2801364990 is about 52927.9225928999. The cubic root of 2801364990 is about 1409.6887447359.
The spelling of 2801364990 in words is "two billion, eight hundred one million, three hundred sixty-four thousand, nine hundred ninety".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •