Base | Representation |
---|---|
bin | 10000111100101011… |
… | …11011100100001110 |
3 | 212111010101002120220 |
4 | 20132111323210032 |
5 | 122113321000303 |
6 | 4102515052210 |
7 | 441324140010 |
oct | 103625734416 |
9 | 25433332526 |
10 | 9099000078 |
11 | 394a16a483 |
12 | 191b2a1066 |
13 | b2013391c |
14 | 6246261b0 |
15 | 383c35053 |
hex | 21e57b90e |
9099000078 has 32 divisors (see below), whose sum is σ = 20812425984. Its totient is φ = 2597875392.
The previous prime is 9099000047. The next prime is 9099000089. The reversal of 9099000078 is 8700009909.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (42).
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, 15975 + ... + 135842.
It is an arithmetic number, because the mean of its divisors is an integer number (650388312).
Almost surely, 29099000078 is an apocalyptic number.
9099000078 is an abundant number, since it is smaller than the sum of its proper divisors (11713425906).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
9099000078 is a wasteful number, since it uses less digits than its factorization.
9099000078 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 153256.
The product of its (nonzero) digits is 40824, while the sum is 42.
The square root of 9099000078 is about 95388.6789823614. The cubic root of 9099000078 is about 2087.6830071213.
The spelling of 9099000078 in words is "nine billion, ninety-nine million, seventy-eight", and thus it is an aban number and an uban number.
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