Base | Representation |
---|---|
bin | 11011111100101111… |
… | …000100001111001011 |
3 | 2212110110002222020202 |
4 | 123330233010033023 |
5 | 442430030002311 |
6 | 21441510242415 |
7 | 2111450536223 |
oct | 337457041713 |
9 | 85413088222 |
10 | 30010000331 |
11 | 117aa954473 |
12 | 599635640b |
13 | 2aa3486b5c |
14 | 16498cd083 |
15 | ba9951e3b |
hex | 6fcbc43cb |
30010000331 has 8 divisors (see below), whose sum is σ = 30443040000. Its totient is φ = 29577248680.
The previous prime is 30010000303. The next prime is 30010000333. The reversal of 30010000331 is 13300001003.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 30010000331 - 226 = 29942891467 is a prime.
It is a super-2 number, since 2×300100003312 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30010000333) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142460 + ... + 283398.
It is an arithmetic number, because the mean of its divisors is an integer number (3805380000).
Almost surely, 230010000331 is an apocalyptic number.
30010000331 is a deficient number, since it is larger than the sum of its proper divisors (433039669).
30010000331 is a wasteful number, since it uses less digits than its factorization.
30010000331 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 144009.
The product of its (nonzero) digits is 27, while the sum is 11.
Adding to 30010000331 its reverse (13300001003), we get a palindrome (43310001334).
The spelling of 30010000331 in words is "thirty billion, ten million, three hundred thirty-one", and thus it is an aban number.
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.865 sec. • engine limits •