Base | Representation |
---|---|
bin | 11100010011011001… |
… | …000011000101001010 |
3 | 2220102221100021000000 |
4 | 130103121003011022 |
5 | 444214331320034 |
6 | 21543325223430 |
7 | 2124044424306 |
oct | 342331030512 |
9 | 86387307000 |
10 | 30390104394 |
11 | 11985470261 |
12 | 5a81701b76 |
13 | 2b341504c0 |
14 | 1684194d06 |
15 | bcced5599 |
hex | 71364314a |
30390104394 has 56 divisors (see below), whose sum is σ = 73603935972. Its totient is φ = 9350795520.
The previous prime is 30390104351. The next prime is 30390104399. The reversal of 30390104394 is 49340109303.
It can be written as a sum of positive squares in 2 ways, for example, as 29682810369 + 707294025 = 172287^2 + 26595^2 .
It is not an unprimeable number, because it can be changed into a prime (30390104399) by changing a digit.
It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 782727 + ... + 820634.
Almost surely, 230390104394 is an apocalyptic number.
30390104394 is an abundant number, since it is smaller than the sum of its proper divisors (43213831578).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30390104394 is a wasteful number, since it uses less digits than its factorization.
30390104394 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1603394 (or 1603379 counting only the distinct ones).
The product of its (nonzero) digits is 34992, while the sum is 36.
The spelling of 30390104394 in words is "thirty billion, three hundred ninety million, one hundred four thousand, three hundred ninety-four".
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