Base | Representation |
---|---|
bin | 1010011101100011… |
… | …1011001100001010 |
3 | 21020201100220010002 |
4 | 2213120323030022 |
5 | 21222413011340 |
6 | 1142400123002 |
7 | 126410255006 |
oct | 24730731412 |
9 | 7221326102 |
10 | 2808328970 |
11 | 1211257137 |
12 | 664606462 |
13 | 359a85325 |
14 | 1c8d91706 |
15 | 116832715 |
hex | a763b30a |
2808328970 has 32 divisors (see below), whose sum is σ = 5242309200. Its totient is φ = 1081898496.
The previous prime is 2808328951. The next prime is 2808329009. The reversal of 2808328970 is 798238082.
2808328970 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 8 ways, for example, as 1777212649 + 1031116321 = 42157^2 + 32111^2 .
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, 106772 + ... + 130448.
Almost surely, 22808328970 is an apocalyptic number.
2808328970 is a deficient number, since it is larger than the sum of its proper divisors (2433980230).
2808328970 is a wasteful number, since it uses less digits than its factorization.
2808328970 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24122.
The product of its (nonzero) digits is 387072, while the sum is 47.
The square root of 2808328970 is about 52993.6691501919. The cubic root of 2808328970 is about 1410.8559043965.
The spelling of 2808328970 in words is "two billion, eight hundred eight million, three hundred twenty-eight thousand, nine hundred seventy".
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