Base | Representation |
---|---|
bin | 10011111110100010110000… |
… | …001001110100011110100101 |
3 | 102112002102002122212110010110 |
4 | 103332202300021310132211 |
5 | 43004002412412334422 |
6 | 510510410334043233 |
7 | 24335506454611044 |
oct | 2376426011643645 |
9 | 375072078773113 |
10 | 87860806371237 |
11 | 25aa4616740949 |
12 | 9a3001a349519 |
13 | 3a04313c68223 |
14 | 179a6b2b4c55b |
15 | a256db86260c |
hex | 4fe8b02747a5 |
87860806371237 has 48 divisors (see below), whose sum is σ = 122761996280000. Its totient is φ = 55890293310720.
The previous prime is 87860806371229. The next prime is 87860806371263. The reversal of 87860806371237 is 73217360806878.
87860806371237 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 87860806371237 - 23 = 87860806371229 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 (87860806376237) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1891856937 + ... + 1891903377.
Almost surely, 287860806371237 is an apocalyptic number.
It is an amenable number.
87860806371237 is a deficient number, since it is larger than the sum of its proper divisors (34901189908763).
87860806371237 is a wasteful number, since it uses less digits than its factorization.
87860806371237 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 49378 (or 49355 counting only the distinct ones).
The product of its (nonzero) digits is 113799168, while the sum is 66.
The spelling of 87860806371237 in words is "eighty-seven trillion, eight hundred sixty billion, eight hundred six million, three hundred seventy-one thousand, two hundred thirty-seven".
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