Base | Representation |
---|---|
bin | 100111110000111001… |
… | …0000111001101001110 |
3 | 22011102010211210222221 |
4 | 1033201302013031032 |
5 | 2344340422421232 |
6 | 103121223125554 |
7 | 6112050221110 |
oct | 1174162071516 |
9 | 264363753887 |
10 | 85392388942 |
11 | 3323a860773 |
12 | 146718a38ba |
13 | 808b36b8c3 |
14 | 41c0dbd3b0 |
15 | 234bad3897 |
hex | 13e1c8734e |
85392388942 has 32 divisors (see below), whose sum is σ = 147007253952. Its totient is φ = 36441909504.
The previous prime is 85392388927. The next prime is 85392388943. The reversal of 85392388942 is 24988329358.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (85392388943) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4429348 + ... + 4448584.
It is an arithmetic number, because the mean of its divisors is an integer number (4593976686).
Almost surely, 285392388942 is an apocalyptic number.
85392388942 is a deficient number, since it is larger than the sum of its proper divisors (61614865010).
85392388942 is a wasteful number, since it uses less digits than its factorization.
85392388942 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20572.
The product of its digits is 29859840, while the sum is 61.
The spelling of 85392388942 in words is "eighty-five billion, three hundred ninety-two million, three hundred eighty-eight thousand, nine hundred forty-two".
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