Base | Representation |
---|---|
bin | 101000100010011110… |
… | …0000000010101011111 |
3 | 22022201002002021200122 |
4 | 1101010330000111133 |
5 | 2411242304122443 |
6 | 103554250345155 |
7 | 6201220111151 |
oct | 1210474002537 |
9 | 268632067618 |
10 | 87055926623 |
11 | 33a1388a1a6 |
12 | 14a56a2b1bb |
13 | 8294bbc923 |
14 | 42dbcd2ad1 |
15 | 23e7b83968 |
hex | 1444f0055f |
87055926623 has 4 divisors (see below), whose sum is σ = 87056582880. Its totient is φ = 87055270368.
The previous prime is 87055926593. The next prime is 87055926641. The reversal of 87055926623 is 32662955078.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It is a cyclic number.
It is not a de Polignac number, because 87055926623 - 220 = 87054878047 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (87057926623) 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, 51290 + ... + 420407.
It is an arithmetic number, because the mean of its divisors is an integer number (21764145720).
Almost surely, 287055926623 is an apocalyptic number.
87055926623 is a deficient number, since it is larger than the sum of its proper divisors (656257).
87055926623 is a wasteful number, since it uses less digits than its factorization.
87055926623 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 656256.
The product of its (nonzero) digits is 5443200, while the sum is 53.
The spelling of 87055926623 in words is "eighty-seven billion, fifty-five million, nine hundred twenty-six thousand, six hundred twenty-three".
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