Base | Representation |
---|---|
bin | 111111000010111… |
… | …0110111001010110 |
3 | 12110102121202010210 |
4 | 1332011312321112 |
5 | 13313024333130 |
6 | 545525430250 |
7 | 103265103555 |
oct | 17605667126 |
9 | 5412552123 |
10 | 2115464790 |
11 | 99614100a |
12 | 4b056b386 |
13 | 279373c1a |
14 | 160d53d9c |
15 | c5abe5b0 |
hex | 7e176e56 |
2115464790 has 64 divisors (see below), whose sum is σ = 5397912576. Its totient is φ = 529406592.
The previous prime is 2115464759. The next prime is 2115464803. The reversal of 2115464790 is 974645112.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7647 + ... + 65493.
It is an arithmetic number, because the mean of its divisors is an integer number (84342384).
Almost surely, 22115464790 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2115464790, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2698956288).
2115464790 is an abundant number, since it is smaller than the sum of its proper divisors (3282447786).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2115464790 is a wasteful number, since it uses less digits than its factorization.
2115464790 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 57933.
The product of its (nonzero) digits is 60480, while the sum is 39.
The square root of 2115464790 is about 45994.1821320914. The cubic root of 2115464790 is about 1283.7149542909.
The spelling of 2115464790 in words is "two billion, one hundred fifteen million, four hundred sixty-four thousand, seven hundred ninety".
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