Base | Representation |
---|---|
bin | 1111000110001110… |
… | …00011011000000101 |
3 | 202220212110001202100 |
4 | 13203013003120011 |
5 | 113044420303130 |
6 | 3420135302313 |
7 | 404566303314 |
oct | 74307033005 |
9 | 22825401670 |
10 | 8105244165 |
11 | 348a2209a7 |
12 | 16a251a999 |
13 | 9c22a1885 |
14 | 56c66227b |
15 | 326888c60 |
hex | 1e31c3605 |
8105244165 has 24 divisors (see below), whose sum is σ = 14061385728. Its totient is φ = 4319013600.
The previous prime is 8105244149. The next prime is 8105244187. The reversal of 8105244165 is 5614425018.
It is a happy number.
It is not a de Polignac number, because 8105244165 - 24 = 8105244149 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26449 + ... + 130038.
It is an arithmetic number, because the mean of its divisors is an integer number (585891072).
Almost surely, 28105244165 is an apocalyptic number.
It is an amenable number.
8105244165 is a deficient number, since it is larger than the sum of its proper divisors (5956141563).
8105244165 is a wasteful number, since it uses less digits than its factorization.
8105244165 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 157649 (or 157646 counting only the distinct ones).
The product of its (nonzero) digits is 38400, while the sum is 36.
The square root of 8105244165 is about 90029.1295359452. The cubic root of 8105244165 is about 2008.7321662336.
It can be divided in two parts, 8105244 and 165, that added together give a square (8105409 = 28472).
The spelling of 8105244165 in words is "eight billion, one hundred five million, two hundred forty-four thousand, one hundred sixty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •