Base | Representation |
---|---|
bin | 11011111111010111… |
… | …011100001110100000 |
3 | 2212120112011102211021 |
4 | 123333113130032200 |
5 | 443022324420114 |
6 | 21450124255224 |
7 | 2112524651605 |
oct | 337727341640 |
9 | 85515142737 |
10 | 30054138784 |
11 | 1182286132a |
12 | 59a90a1514 |
13 | 2aac66c297 |
14 | 16516dc6ac |
15 | bad770024 |
hex | 6ff5dc3a0 |
30054138784 has 24 divisors (see below), whose sum is σ = 59193479268. Its totient is φ = 15020874240.
The previous prime is 30054138781. The next prime is 30054138811. The reversal of 30054138784 is 48783145003.
It can be written as a sum of positive squares in 2 ways, for example, as 27284432400 + 2769706384 = 165180^2 + 52628^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 30054138784.
It is not an unprimeable number, because it can be changed into a prime (30054138781) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114267 + ... + 270490.
Almost surely, 230054138784 is an apocalyptic number.
It is an amenable number.
30054138784 is a deficient number, since it is larger than the sum of its proper divisors (29139340484).
30054138784 is a wasteful number, since it uses less digits than its factorization.
30054138784 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 387208 (or 387200 counting only the distinct ones).
The product of its (nonzero) digits is 322560, while the sum is 43.
The spelling of 30054138784 in words is "thirty billion, fifty-four million, one hundred thirty-eight thousand, seven hundred eighty-four".
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