Base | Representation |
---|---|
bin | 10000101111110100… |
… | …00111010111010010 |
3 | 212012121020102011102 |
4 | 20113322013113102 |
5 | 121403201420244 |
6 | 4044101144402 |
7 | 435543423254 |
oct | 102772072722 |
9 | 25177212142 |
10 | 8991045074 |
11 | 38a4235270 |
12 | 18ab0bb102 |
13 | b0396631b |
14 | 614163cd4 |
15 | 37950d54e |
hex | 217e875d2 |
8991045074 has 16 divisors (see below), whose sum is σ = 14714360640. Its totient is φ = 4086354960.
The previous prime is 8991045067. The next prime is 8991045097. The reversal of 8991045074 is 4705401998.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 221267 + ... + 258729.
It is an arithmetic number, because the mean of its divisors is an integer number (919647540).
Almost surely, 28991045074 is an apocalyptic number.
8991045074 is a deficient number, since it is larger than the sum of its proper divisors (5723315566).
8991045074 is a wasteful number, since it uses less digits than its factorization.
8991045074 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 48385.
The product of its (nonzero) digits is 362880, while the sum is 47.
The square root of 8991045074 is about 94821.1214550851. The cubic root of 8991045074 is about 2079.3937053471.
The spelling of 8991045074 in words is "eight billion, nine hundred ninety-one million, forty-five thousand, seventy-four".
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