Base | Representation |
---|---|
bin | 100111111111010101… |
… | …1000110001001101110 |
3 | 22012122220220010022102 |
4 | 1033332223012021232 |
5 | 2401334013321003 |
6 | 103241300015102 |
7 | 6130054132340 |
oct | 1177653061156 |
9 | 265586803272 |
10 | 85877088878 |
11 | 33469417a29 |
12 | 14788091492 |
13 | 81378c78b9 |
14 | 4229511290 |
15 | 2379428588 |
hex | 13feac626e |
85877088878 has 16 divisors (see below), whose sum is σ = 148121047680. Its totient is φ = 36578671416.
The previous prime is 85877088859. The next prime is 85877088881. The reversal of 85877088878 is 87888077858.
It is a happy number.
It is a super-2 number, since 2×858770888782 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
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, 18813908 + ... + 18818471.
It is an arithmetic number, because the mean of its divisors is an integer number (9257565480).
Almost surely, 285877088878 is an apocalyptic number.
85877088878 is a deficient number, since it is larger than the sum of its proper divisors (62243958802).
85877088878 is a wasteful number, since it uses less digits than its factorization.
85877088878 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 37632551.
The product of its (nonzero) digits is 449576960, while the sum is 74.
The spelling of 85877088878 in words is "eighty-five billion, eight hundred seventy-seven million, eighty-eight thousand, eight hundred seventy-eight".
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