Base | Representation |
---|---|
bin | 100111101000110000… |
… | …0000001101111101000 |
3 | 22010201002211000101200 |
4 | 1033101200001233220 |
5 | 2343311004300040 |
6 | 103034144044200 |
7 | 6102222240306 |
oct | 1172140015750 |
9 | 263632730350 |
10 | 85119212520 |
11 | 3310a638231 |
12 | 145b6303660 |
13 | 80468a3054 |
14 | 41969cd276 |
15 | 2332b22630 |
hex | 13d1801be8 |
85119212520 has 96 divisors (see below), whose sum is σ = 276727557600. Its totient is φ = 22691062656.
The previous prime is 85119212447. The next prime is 85119212527. The reversal of 85119212520 is 2521291158.
85119212520 is a `hidden beast` number, since 8 + 5 + 119 + 2 + 12 + 520 = 666.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is not an unprimeable number, because it can be changed into a prime (85119212527) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1116171 + ... + 1189989.
It is an arithmetic number, because the mean of its divisors is an integer number (2882578725).
Almost surely, 285119212520 is an apocalyptic number.
It is an amenable number.
85119212520 is an abundant number, since it is smaller than the sum of its proper divisors (191608345080).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
85119212520 is a wasteful number, since it uses less digits than its factorization.
85119212520 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 77039 (or 77032 counting only the distinct ones).
The product of its (nonzero) digits is 14400, while the sum is 36.
The spelling of 85119212520 in words is "eighty-five billion, one hundred nineteen million, two hundred twelve thousand, five hundred twenty".
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