Base | Representation |
---|---|
bin | 11100000010101010… |
… | …101010110110000111 |
3 | 2212201101100122021211 |
4 | 130002222222312013 |
5 | 443131013323142 |
6 | 21455423152251 |
7 | 2114066423020 |
oct | 340252526607 |
9 | 85641318254 |
10 | 30109511047 |
11 | 11851041330 |
12 | 5a03745687 |
13 | 2abac88a35 |
14 | 1658bd3c47 |
15 | bb355b917 |
hex | 702aaad87 |
30109511047 has 16 divisors (see below), whose sum is σ = 37574613504. Its totient is φ = 23439780000.
The previous prime is 30109511023. The next prime is 30109511051. The reversal of 30109511047 is 74011590103.
It is not a de Polignac number, because 30109511047 - 231 = 27962027399 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30109511017) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102579 + ... + 265972.
It is an arithmetic number, because the mean of its divisors is an integer number (2348413344).
Almost surely, 230109511047 is an apocalyptic number.
30109511047 is a deficient number, since it is larger than the sum of its proper divisors (7465102457).
30109511047 is a wasteful number, since it uses less digits than its factorization.
30109511047 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 369630.
The product of its (nonzero) digits is 3780, while the sum is 31.
The spelling of 30109511047 in words is "thirty billion, one hundred nine million, five hundred eleven thousand, forty-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •