Base | Representation |
---|---|
bin | 1010011101011011… |
… | …0011011001100000 |
3 | 21020200022122011000 |
4 | 2213112303121200 |
5 | 21222242212033 |
6 | 1142340152000 |
7 | 126402450303 |
oct | 24726633140 |
9 | 7220278130 |
10 | 2807772768 |
11 | 1210a07269 |
12 | 664398600 |
13 | 35991c108 |
14 | 1c8c88b3a |
15 | 116772a13 |
hex | a75b3660 |
2807772768 has 96 divisors (see below), whose sum is σ = 8671108320. Its totient is φ = 880865280.
The previous prime is 2807772739. The next prime is 2807772797. The reversal of 2807772768 is 8672777082.
It is a happy number.
2807772768 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (2807772739) and next prime (2807772797).
It is a tau number, because it is divible by the number of its divisors (96).
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80893 + ... + 110268.
It is an arithmetic number, because the mean of its divisors is an integer number (90324045).
Almost surely, 22807772768 is an apocalyptic number.
It is an amenable number.
2807772768 is an abundant number, since it is smaller than the sum of its proper divisors (5863335552).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2807772768 is a wasteful number, since it uses less digits than its factorization.
2807772768 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 191197 (or 191183 counting only the distinct ones).
The product of its (nonzero) digits is 3687936, while the sum is 54.
The square root of 2807772768 is about 52988.4210747971. The cubic root of 2807772768 is about 1410.7627561583.
The spelling of 2807772768 in words is "two billion, eight hundred seven million, seven hundred seventy-two thousand, seven hundred sixty-eight".
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