Base | Representation |
---|---|
bin | 10011111110100010110000… |
… | …001001110100011110100110 |
3 | 102112002102002122212110010111 |
4 | 103332202300021310132212 |
5 | 43004002412412334423 |
6 | 510510410334043234 |
7 | 24335506454611045 |
oct | 2376426011643646 |
9 | 375072078773114 |
10 | 87860806371238 |
11 | 25aa461674094a |
12 | 9a3001a34951a |
13 | 3a04313c68224 |
14 | 179a6b2b4c55c |
15 | a256db86260d |
hex | 4fe8b02747a6 |
87860806371238 has 16 divisors (see below), whose sum is σ = 134026285674960. Its totient is φ = 43185392555296.
The previous prime is 87860806371229. The next prime is 87860806371263. The reversal of 87860806371238 is 83217360806878.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8453220 + ... + 15721912.
It is an arithmetic number, because the mean of its divisors is an integer number (8376642854685).
Almost surely, 287860806371238 is an apocalyptic number.
87860806371238 is a deficient number, since it is larger than the sum of its proper divisors (46165479303722).
87860806371238 is a wasteful number, since it uses less digits than its factorization.
87860806371238 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7371191.
The product of its (nonzero) digits is 130056192, while the sum is 67.
The spelling of 87860806371238 in words is "eighty-seven trillion, eight hundred sixty billion, eight hundred six million, three hundred seventy-one thousand, two hundred thirty-eight".
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