Base | Representation |
---|---|
bin | 11100000011111101… |
… | …100010001000110010 |
3 | 2212202220020020122211 |
4 | 130003331202020302 |
5 | 443202043431310 |
6 | 21501520522334 |
7 | 2114452154212 |
oct | 340375421062 |
9 | 85686206584 |
10 | 30131233330 |
11 | 11862328630 |
12 | 5a0aa803aa |
13 | 2ac2623063 |
14 | 165ba4a242 |
15 | bb53ecc8a |
hex | 703f62232 |
30131233330 has 128 divisors (see below), whose sum is σ = 65272677120. Its totient is φ = 9888768000.
The previous prime is 30131233291. The next prime is 30131233369. The reversal of 30131233330 is 3333213103.
It is an interprime number because it is at equal distance from previous prime (30131233291) and next prime (30131233369).
It is a Harshad number since it is a multiple of its sum of digits (22).
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4520200 + ... + 4526860.
It is an arithmetic number, because the mean of its divisors is an integer number (509942790).
Almost surely, 230131233330 is an apocalyptic number.
30131233330 is an abundant number, since it is smaller than the sum of its proper divisors (35141443790).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30131233330 is a wasteful number, since it uses less digits than its factorization.
30131233330 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6796.
The product of its (nonzero) digits is 1458, while the sum is 22.
Adding to 30131233330 its reverse (3333213103), we get a palindrome (33464446433).
The spelling of 30131233330 in words is "thirty billion, one hundred thirty-one million, two hundred thirty-three thousand, three hundred thirty".
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