Base | Representation |
---|---|
bin | 10010011100011011… |
… | …01000011010101100 |
3 | 221120002121100220102 |
4 | 21032031220122230 |
5 | 130234421141420 |
6 | 4314325010232 |
7 | 500245503116 |
oct | 111615503254 |
9 | 27502540812 |
10 | 9902130860 |
11 | 4221549526 |
12 | 1b04253978 |
13 | c1a64183b |
14 | 69d1683b6 |
15 | 3ce4c9a75 |
hex | 24e3686ac |
9902130860 has 12 divisors (see below), whose sum is σ = 20794474848. Its totient is φ = 3960852336.
The previous prime is 9902130851. The next prime is 9902130907. The reversal of 9902130860 is 680312099.
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, 247553252 + ... + 247553291.
It is an arithmetic number, because the mean of its divisors is an integer number (1732872904).
Almost surely, 29902130860 is an apocalyptic number.
It is an amenable number.
9902130860 is an abundant number, since it is smaller than the sum of its proper divisors (10892343988).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
9902130860 is a wasteful number, since it uses less digits than its factorization.
9902130860 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 495106552 (or 495106550 counting only the distinct ones).
The product of its (nonzero) digits is 23328, while the sum is 38.
The square root of 9902130860 is about 99509.4511089273. The cubic root of 9902130860 is about 2147.3832133461.
The spelling of 9902130860 in words is "nine billion, nine hundred two million, one hundred thirty thousand, eight hundred sixty".
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