Base | Representation |
---|---|
bin | 100111110000010111… |
… | …1101110111010000100 |
3 | 22011100221002202021012 |
4 | 1033200233232322010 |
5 | 2344321444103113 |
6 | 103115402141352 |
7 | 6111446265200 |
oct | 1174057567204 |
9 | 264327082235 |
10 | 85374987908 |
11 | 33230a56051 |
12 | 14667ab1858 |
13 | 8087888432 |
14 | 41bc96db00 |
15 | 234a2e7aa8 |
hex | 13e0beee84 |
85374987908 has 72 divisors (see below), whose sum is σ = 187206050304. Its totient is φ = 33869404800.
The previous prime is 85374987869. The next prime is 85374987911. The reversal of 85374987908 is 80978947358.
It is a super-2 number, since 2×853749879082 (a number of 23 digits) contains 22 as substring.
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, 165713 + ... + 445208.
It is an arithmetic number, because the mean of its divisors is an integer number (2600084032).
Almost surely, 285374987908 is an apocalyptic number.
It is an amenable number.
85374987908 is an abundant number, since it is smaller than the sum of its proper divisors (101831062396).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
85374987908 is a wasteful number, since it uses less digits than its factorization.
85374987908 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 610993 (or 610984 counting only the distinct ones).
The product of its (nonzero) digits is 121927680, while the sum is 68.
The spelling of 85374987908 in words is "eighty-five billion, three hundred seventy-four million, nine hundred eighty-seven thousand, nine hundred eight".
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