Base | Representation |
---|---|
bin | 10010000010111000… |
… | …00011101010101000 |
3 | 221000011022200010220 |
4 | 21001130003222220 |
5 | 124320034334210 |
6 | 4241151210040 |
7 | 462034005114 |
oct | 110134035250 |
9 | 27004280126 |
10 | 9687808680 |
11 | 4121574060 |
12 | 1a64516920 |
13 | bb5111594 |
14 | 67c8d8744 |
15 | 3ba791c70 |
hex | 241703aa8 |
9687808680 has 64 divisors (see below), whose sum is σ = 31705560000. Its totient is φ = 2348559360.
The previous prime is 9687808657. The next prime is 9687808693. The reversal of 9687808680 is 868087869.
It is a Harshad number since it is a multiple of its sum of digits (60).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3668305 + ... + 3670944.
It is an arithmetic number, because the mean of its divisors is an integer number (495399375).
Almost surely, 29687808680 is an apocalyptic number.
It is an amenable number.
9687808680 is an abundant number, since it is smaller than the sum of its proper divisors (22017751320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
9687808680 is a wasteful number, since it uses less digits than its factorization.
9687808680 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7339274 (or 7339270 counting only the distinct ones).
The product of its (nonzero) digits is 9289728, while the sum is 60.
The square root of 9687808680 is about 98426.6665086246. Note that the first 3 decimals coincide. The cubic root of 9687808680 is about 2131.7773874743. Note that the first 3 decimals are identical.
The spelling of 9687808680 in words is "nine billion, six hundred eighty-seven million, eight hundred eight thousand, six hundred eighty".
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