Base | Representation |
---|---|
bin | 1110111001000001… |
… | …01011110101100100 |
3 | 202122011002211211201 |
4 | 13130200223311210 |
5 | 112333044213410 |
6 | 3401142212244 |
7 | 402053216113 |
oct | 73440536544 |
9 | 22564084751 |
10 | 7994522980 |
11 | 3432777494 |
12 | 1671424084 |
13 | 9a5376192 |
14 | 55ba7dc7a |
15 | 31bcb783a |
hex | 1dc82bd64 |
7994522980 has 12 divisors (see below), whose sum is σ = 16788498300. Its totient is φ = 3197809184.
The previous prime is 7994522971. The next prime is 7994523023. The reversal of 7994522980 is 892254997.
It can be written as a sum of positive squares in 2 ways, for example, as 2243727424 + 5750795556 = 47368^2 + 75834^2 .
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 199863055 + ... + 199863094.
It is an arithmetic number, because the mean of its divisors is an integer number (1399041525).
Almost surely, 27994522980 is an apocalyptic number.
It is an amenable number.
7994522980 is an abundant number, since it is smaller than the sum of its proper divisors (8793975320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7994522980 is a wasteful number, since it uses less digits than its factorization.
7994522980 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 399726158 (or 399726156 counting only the distinct ones).
The product of its (nonzero) digits is 3265920, while the sum is 55.
The square root of 7994522980 is about 89412.0963852207. The cubic root of 7994522980 is about 1999.5434774682.
The spelling of 7994522980 in words is "seven billion, nine hundred ninety-four million, five hundred twenty-two thousand, nine hundred eighty".
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