Base | Representation |
---|---|
bin | 101000111000110110… |
… | …1010010110011111100 |
3 | 22101122102110001012121 |
4 | 1101301231102303330 |
5 | 2414312100413420 |
6 | 104201001412324 |
7 | 6225640365223 |
oct | 1216155226374 |
9 | 271572401177 |
10 | 87807044860 |
11 | 34269873477 |
12 | 1502649a0a4 |
13 | 83846b93a2 |
14 | 436d975cba |
15 | 243daa22aa |
hex | 1471b52cfc |
87807044860 has 12 divisors (see below), whose sum is σ = 184394794248. Its totient is φ = 35122817936.
The previous prime is 87807044837. The next prime is 87807044873. The reversal of 87807044860 is 6844070878.
It is a junction number, because it is equal to n+sod(n) for n = 87807044798 and 87807044807.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2195176102 + ... + 2195176141.
It is an arithmetic number, because the mean of its divisors is an integer number (15366232854).
Almost surely, 287807044860 is an apocalyptic number.
It is an amenable number.
87807044860 is an abundant number, since it is smaller than the sum of its proper divisors (96587749388).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87807044860 is a wasteful number, since it uses less digits than its factorization.
87807044860 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4390352252 (or 4390352250 counting only the distinct ones).
The product of its (nonzero) digits is 2408448, while the sum is 52.
The spelling of 87807044860 in words is "eighty-seven billion, eight hundred seven million, forty-four thousand, eight hundred sixty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.080 sec. • engine limits •