Base | Representation |
---|---|
bin | 101000100001001000… |
… | …0100011100011010011 |
3 | 22022120221111212101122 |
4 | 1101002100203203103 |
5 | 2411144302411344 |
6 | 103550003152455 |
7 | 6200133100436 |
oct | 1210220434323 |
9 | 268527455348 |
10 | 87010982099 |
11 | 339a0481768 |
12 | 14a4397572b |
13 | 82887b4632 |
14 | 42d5d5381d |
15 | 23e3c56aee |
hex | 14424238d3 |
87010982099 has 4 divisors (see below), whose sum is σ = 87212864160. Its totient is φ = 86809100040.
The previous prime is 87010982041. The next prime is 87010982101. The reversal of 87010982099 is 99028901078.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 87010982099 - 220 = 87009933523 is a prime.
It is a super-2 number, since 2×870109820992 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 87010982099.
It is not an unprimeable number, because it can be changed into a prime (87010982299) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100940384 + ... + 100941245.
It is an arithmetic number, because the mean of its divisors is an integer number (21803216040).
Almost surely, 287010982099 is an apocalyptic number.
87010982099 is a deficient number, since it is larger than the sum of its proper divisors (201882061).
87010982099 is a wasteful number, since it uses less digits than its factorization.
87010982099 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 201882060.
The product of its (nonzero) digits is 653184, while the sum is 53.
The spelling of 87010982099 in words is "eighty-seven billion, ten million, nine hundred eighty-two thousand, ninety-nine".
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