Base | Representation |
---|---|
bin | 101000100011001101… |
… | …0000100010111100101 |
3 | 22022202210111001011220 |
4 | 1101012122010113211 |
5 | 2411320112202202 |
6 | 104000531050553 |
7 | 6201636520422 |
oct | 1210632042745 |
9 | 268683431156 |
10 | 87080584677 |
11 | 33a267a1159 |
12 | 14a63140a59 |
13 | 829a0442a8 |
14 | 43012b0d49 |
15 | 23e9e04abc |
hex | 14466845e5 |
87080584677 has 4 divisors (see below), whose sum is σ = 116107446240. Its totient is φ = 58053723116.
The previous prime is 87080584609. The next prime is 87080584681. The reversal of 87080584677 is 77648508078.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 87080584677 - 211 = 87080582629 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 87080584677.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (87080589677) 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, 14513430777 + ... + 14513430782.
It is an arithmetic number, because the mean of its divisors is an integer number (29026861560).
Almost surely, 287080584677 is an apocalyptic number.
It is an amenable number.
87080584677 is a deficient number, since it is larger than the sum of its proper divisors (29026861563).
87080584677 is a wasteful number, since it uses less digits than its factorization.
87080584677 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 29026861562.
The product of its (nonzero) digits is 21073920, while the sum is 60.
The spelling of 87080584677 in words is "eighty-seven billion, eighty million, five hundred eighty-four thousand, six hundred seventy-seven".
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