Base | Representation |
---|---|
bin | 101000101100000011… |
… | …1111111001001110101 |
3 | 22100112111210220102210 |
4 | 1101120013333021311 |
5 | 2412422211201423 |
6 | 104050230124033 |
7 | 6212206224336 |
oct | 1213007771165 |
9 | 270474726383 |
10 | 87377834613 |
11 | 34069567463 |
12 | 14b267b0619 |
13 | 83167bb424 |
14 | 432c96a28d |
15 | 241606db93 |
hex | 14581ff275 |
87377834613 has 16 divisors (see below), whose sum is σ = 117025425216. Its totient is φ = 57991296000.
The previous prime is 87377834611. The next prime is 87377834651. The reversal of 87377834613 is 31643877378.
It is not a de Polignac number, because 87377834613 - 21 = 87377834611 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (87377834611) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1563631 + ... + 1618547.
It is an arithmetic number, because the mean of its divisors is an integer number (7314089076).
Almost surely, 287377834613 is an apocalyptic number.
It is an amenable number.
87377834613 is a deficient number, since it is larger than the sum of its proper divisors (29647590603).
87377834613 is a wasteful number, since it uses less digits than its factorization.
87377834613 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 57284.
The product of its digits is 14224896, while the sum is 57.
The spelling of 87377834613 in words is "eighty-seven billion, three hundred seventy-seven million, eight hundred thirty-four thousand, six hundred thirteen".
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