Base | Representation |
---|---|
bin | 1110110111110100… |
… | …01110111001110010 |
3 | 202121110010201200220 |
4 | 13123322032321302 |
5 | 112323004133434 |
6 | 3400142153510 |
7 | 401601434313 |
oct | 73372167162 |
9 | 22543121626 |
10 | 7984442994 |
11 | 3428012220 |
12 | 1669b82896 |
13 | 9a32570a8 |
14 | 55a5b860a |
15 | 31ae75d49 |
hex | 1dbe8ee72 |
7984442994 has 32 divisors (see below), whose sum is σ = 17439134976. Its totient is φ = 2416954320.
The previous prime is 7984442957. The next prime is 7984443001. The reversal of 7984442994 is 4992444897.
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, 1372 + ... + 126375.
It is an arithmetic number, because the mean of its divisors is an integer number (544972968).
Almost surely, 27984442994 is an apocalyptic number.
7984442994 is an abundant number, since it is smaller than the sum of its proper divisors (9454691982).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7984442994 is a wasteful number, since it uses less digits than its factorization.
7984442994 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 128710.
The product of its digits is 20901888, while the sum is 60.
The square root of 7984442994 is about 89355.7104722468. The cubic root of 7984442994 is about 1998.7027415756.
The spelling of 7984442994 in words is "seven billion, nine hundred eighty-four million, four hundred forty-two thousand, nine hundred ninety-four".
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