Base | Representation |
---|---|
bin | 101000100011010010… |
… | …0111100111111111110 |
3 | 22022202222212000022102 |
4 | 1101012210330333332 |
5 | 2411321330004303 |
6 | 104001112145102 |
7 | 6202003003400 |
oct | 1210644747776 |
9 | 268688760272 |
10 | 87083438078 |
11 | 33a2836aa3a |
12 | 14a64098192 |
13 | 829a802cb0 |
14 | 4301814b70 |
15 | 23ea2ba288 |
hex | 144693cffe |
87083438078 has 48 divisors (see below), whose sum is σ = 163694250720. Its totient is φ = 34439235264.
The previous prime is 87083438047. The next prime is 87083438089.
87083438078 is nontrivially palindromic in base 10.
It is a congruent number.
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, 4593503 + ... + 4612421.
It is an arithmetic number, because the mean of its divisors is an integer number (3410296890).
Almost surely, 287083438078 is an apocalyptic number.
87083438078 is a deficient number, since it is larger than the sum of its proper divisors (76610812642).
87083438078 is a wasteful number, since it uses less digits than its factorization.
87083438078 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22561 (or 22554 counting only the distinct ones).
The product of its (nonzero) digits is 7225344, while the sum is 56.
The spelling of 87083438078 in words is "eighty-seven billion, eighty-three million, four hundred thirty-eight thousand, seventy-eight".
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