Base | Representation |
---|---|
bin | 10000001110101110… |
… | …01010100100000000 |
3 | 211111020220000010110 |
4 | 20013113022210000 |
5 | 120321120311210 |
6 | 4000343231320 |
7 | 425633040360 |
oct | 100727124400 |
9 | 24436800113 |
10 | 8713447680 |
11 | 3771572233 |
12 | 1832148540 |
13 | a8b2b0402 |
14 | 5c93429a0 |
15 | 35ee77420 |
hex | 2075ca900 |
8713447680 has 144 divisors (see below), whose sum is σ = 31804182144. Its totient is φ = 1991639040.
The previous prime is 8713447679. The next prime is 8713447711. The reversal of 8713447680 is 867443178.
It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.
It is a Harshad number since it is a multiple of its sum of digits (48).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135201 + ... + 188960.
It is an arithmetic number, because the mean of its divisors is an integer number (220862376).
Almost surely, 28713447680 is an apocalyptic number.
8713447680 is a gapful number since it is divisible by the number (80) formed by its first and last digit.
It is an amenable number.
8713447680 is an abundant number, since it is smaller than the sum of its proper divisors (23090734464).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8713447680 is a wasteful number, since it uses less digits than its factorization.
8713447680 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 324192 (or 324178 counting only the distinct ones).
The product of its (nonzero) digits is 903168, while the sum is 48.
The square root of 8713447680 is about 93345.8498274026. The cubic root of 8713447680 is about 2057.7692633827.
The spelling of 8713447680 in words is "eight billion, seven hundred thirteen million, four hundred forty-seven thousand, six hundred eighty".
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