Base | Representation |
---|---|
bin | 11100001001111011… |
… | …010000100011010111 |
3 | 2220000212112011202022 |
4 | 130021323100203113 |
5 | 443403203102221 |
6 | 21515453403355 |
7 | 2120105545532 |
oct | 341173204327 |
9 | 86025464668 |
10 | 30231300311 |
11 | 11903865413 |
12 | 5a3849955b |
13 | 2b0a28b1a4 |
14 | 166b057a19 |
15 | bbe0b74ab |
hex | 709ed08d7 |
30231300311 has 16 divisors (see below), whose sum is σ = 34003490400. Its totient is φ = 26708133888.
The previous prime is 30231300301. The next prime is 30231300331. The reversal of 30231300311 is 11300313203.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-30231300311 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (17).
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 30231300311.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30231300301) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 394130 + ... + 464543.
It is an arithmetic number, because the mean of its divisors is an integer number (2125218150).
Almost surely, 230231300311 is an apocalyptic number.
30231300311 is a deficient number, since it is larger than the sum of its proper divisors (3772190089).
30231300311 is a wasteful number, since it uses less digits than its factorization.
30231300311 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 858818.
The product of its (nonzero) digits is 162, while the sum is 17.
Adding to 30231300311 its reverse (11300313203), we get a palindrome (41531613514).
The spelling of 30231300311 in words is "thirty billion, two hundred thirty-one million, three hundred thousand, three hundred eleven".
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