Base | Representation |
---|---|
bin | 101000101000001000… |
… | …0010100000111000100 |
3 | 22100012022100211211100 |
4 | 1101100100110013010 |
5 | 2412134411044001 |
6 | 104025152140100 |
7 | 6206014030404 |
oct | 1212020240704 |
9 | 270168324740 |
10 | 87245799876 |
11 | 34000a85844 |
12 | 14aaa537630 |
13 | 82c533c771 |
14 | 43191da804 |
15 | 240968c586 |
hex | 14504141c4 |
87245799876 has 81 divisors (see below), whose sum is σ = 232846032783. Its totient is φ = 27540671760.
The previous prime is 87245799863. The next prime is 87245799919. The reversal of 87245799876 is 67899754278.
The square root of 87245799876 is 295374.
It is a perfect power (a square), and thus also a powerful number.
87245799876 is a `hidden beast` number, since 8 + 7 + 2 + 457 + 99 + 87 + 6 = 666.
It is a super-2 number, since 2×872457998762 (a number of 23 digits) contains 22 as substring.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 33671341 + ... + 33673931.
Almost surely, 287245799876 is an apocalyptic number.
87245799876 is the 295374-th square number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 87245799876
87245799876 is an abundant number, since it is smaller than the sum of its proper divisors (145600232907).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87245799876 is a wasteful number, since it uses less digits than its factorization.
87245799876 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5230 (or 2615 counting only the distinct ones).
The product of its digits is 426746880, while the sum is 72.
The spelling of 87245799876 in words is "eighty-seven billion, two hundred forty-five million, seven hundred ninety-nine thousand, eight hundred seventy-six".
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