Base | Representation |
---|---|
bin | 10010100010101010… |
… | …00110101010001010 |
3 | 221200202000000000120 |
4 | 21101111012222022 |
5 | 130341312441021 |
6 | 4323433444110 |
7 | 501452120460 |
oct | 112125065212 |
9 | 27622000016 |
10 | 9954421386 |
11 | 4249014138 |
12 | 1b19870636 |
13 | c2841c690 |
14 | 6a609a830 |
15 | 3d3da82c6 |
hex | 251546a8a |
9954421386 has 64 divisors (see below), whose sum is σ = 24813465600. Its totient is φ = 2592098496.
The previous prime is 9954421333. The next prime is 9954421391. The reversal of 9954421386 is 6831244599.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 72256 + ... + 158523.
It is an arithmetic number, because the mean of its divisors is an integer number (387710400).
Almost surely, 29954421386 is an apocalyptic number.
9954421386 is an abundant number, since it is smaller than the sum of its proper divisors (14859044214).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
9954421386 is a wasteful number, since it uses less digits than its factorization.
9954421386 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 230883.
The product of its digits is 1866240, while the sum is 51.
The square root of 9954421386 is about 99771.8466602678. The cubic root of 9954421386 is about 2151.1564995590.
The spelling of 9954421386 in words is "nine billion, nine hundred fifty-four million, four hundred twenty-one thousand, three hundred eighty-six".
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