Base | Representation |
---|---|
bin | 11011111101010111… |
… | …100001011111011010 |
3 | 2212111012001210101010 |
4 | 123331113201133122 |
5 | 442440233342124 |
6 | 21442525434350 |
7 | 2111636640255 |
oct | 337527413732 |
9 | 85435053333 |
10 | 30020605914 |
11 | 11805938612 |
12 | 5999a0b9b6 |
13 | 2aa572b250 |
14 | 164b09009c |
15 | baa849529 |
hex | 6fd5e17da |
30020605914 has 16 divisors (see below), whose sum is σ = 64659766752. Its totient is φ = 9237109488.
The previous prime is 30020605913. The next prime is 30020605943. The reversal of 30020605914 is 41950602003.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (30020605913) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 192439704 + ... + 192439859.
It is an arithmetic number, because the mean of its divisors is an integer number (4041235422).
Almost surely, 230020605914 is an apocalyptic number.
30020605914 is an abundant number, since it is smaller than the sum of its proper divisors (34639160838).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30020605914 is a wasteful number, since it uses less digits than its factorization.
30020605914 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 384879581.
The product of its (nonzero) digits is 6480, while the sum is 30.
The spelling of 30020605914 in words is "thirty billion, twenty million, six hundred five thousand, nine hundred fourteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •