Base | Representation |
---|---|
bin | 11100010110100000… |
… | …100101100100110111 |
3 | 2220120120202210000110 |
4 | 130112200211210313 |
5 | 444321224143333 |
6 | 21552434314103 |
7 | 2125251143520 |
oct | 342640454467 |
9 | 86516683013 |
10 | 30442412343 |
11 | 11a01a47a72 |
12 | 5a97128933 |
13 | 2b41c36255 |
14 | 168b0cd847 |
15 | bd28b9063 |
hex | 716825937 |
30442412343 has 16 divisors (see below), whose sum is σ = 46426222080. Its totient is φ = 17381495136.
The previous prime is 30442412333. The next prime is 30442412359. The reversal of 30442412343 is 34321424403.
It is a happy number.
It is not a de Polignac number, because 30442412343 - 28 = 30442412087 is a prime.
It is a super-2 number, since 2×304424123432 (a number of 22 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 30442412343.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30442412333) 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, 563955 + ... + 615572.
It is an arithmetic number, because the mean of its divisors is an integer number (2901638880).
Almost surely, 230442412343 is an apocalyptic number.
30442412343 is a deficient number, since it is larger than the sum of its proper divisors (15983809737).
30442412343 is a wasteful number, since it uses less digits than its factorization.
30442412343 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1180766.
The product of its (nonzero) digits is 27648, while the sum is 30.
Adding to 30442412343 its reverse (34321424403), we get a palindrome (64763836746).
The spelling of 30442412343 in words is "thirty billion, four hundred forty-two million, four hundred twelve thousand, three hundred forty-three".
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