Base | Representation |
---|---|
bin | 100111101000011010… |
… | …1100100001000100100 |
3 | 22010200022212111002010 |
4 | 1033100311210020210 |
5 | 2343300132044223 |
6 | 103033105314220 |
7 | 6102025516404 |
oct | 1172065441044 |
9 | 263608774063 |
10 | 85108081188 |
11 | 33104325089 |
12 | 145b2635970 |
13 | 80444a6570 |
14 | 4195332804 |
15 | 2331b74393 |
hex | 13d0d64224 |
85108081188 has 48 divisors (see below), whose sum is σ = 223159660416. Its totient is φ = 25048531200.
The previous prime is 85108081181. The next prime is 85108081237. The reversal of 85108081188 is 88118080158.
It is not an unprimeable number, because it can be changed into a prime (85108081181) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11856513 + ... + 11863688.
It is an arithmetic number, because the mean of its divisors is an integer number (4649159592).
Almost surely, 285108081188 is an apocalyptic number.
It is an amenable number.
85108081188 is an abundant number, since it is smaller than the sum of its proper divisors (138051579228).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
85108081188 is a wasteful number, since it uses less digits than its factorization.
85108081188 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 23720244 (or 23720242 counting only the distinct ones).
The product of its (nonzero) digits is 163840, while the sum is 48.
The spelling of 85108081188 in words is "eighty-five billion, one hundred eight million, eighty-one thousand, one hundred eighty-eight".
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