Base | Representation |
---|---|
bin | 10010010111011001… |
… | …11010110011011011 |
3 | 221110011022221120202 |
4 | 21023230322303123 |
5 | 130143130012422 |
6 | 4310222012415 |
7 | 466224424364 |
oct | 111354726333 |
9 | 27404287522 |
10 | 9860000987 |
11 | 41aa793751 |
12 | 1ab211710b |
13 | c119b0715 |
14 | 69771cb6b |
15 | 3ca956b92 |
hex | 24bb3acdb |
9860000987 has 8 divisors (see below), whose sum is σ = 9890564640. Its totient is φ = 9829460160.
The previous prime is 9860000977. The next prime is 9860001013. The reversal of 9860000987 is 7890000689.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 9860000987 - 24 = 9860000971 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (9860000977) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1305839 + ... + 1313367.
It is an arithmetic number, because the mean of its divisors is an integer number (1236320580).
Almost surely, 29860000987 is an apocalyptic number.
9860000987 is a deficient number, since it is larger than the sum of its proper divisors (30563653).
9860000987 is a wasteful number, since it uses less digits than its factorization.
9860000987 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11413.
The product of its (nonzero) digits is 217728, while the sum is 47.
The square root of 9860000987 is about 99297.5376683632. The cubic root of 9860000987 is about 2144.3334458634. Note that the first 3 decimals are identical.
The spelling of 9860000987 in words is "nine billion, eight hundred sixty million, nine hundred eighty-seven", and thus it is an aban number.
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