Base | Representation |
---|---|
bin | 11100010110100000… |
… | …101010011010000110 |
3 | 2220120120210210011110 |
4 | 130112200222122012 |
5 | 444321230312014 |
6 | 21552434545450 |
7 | 2125251255312 |
oct | 342640523206 |
9 | 86516723143 |
10 | 30442432134 |
11 | 11a01a60924 |
12 | 5a97138286 |
13 | 2b41c4226a |
14 | 168b0d6b42 |
15 | bd28bed59 |
hex | 71682a686 |
30442432134 has 128 divisors (see below), whose sum is σ = 68538286080. Its totient is φ = 8971651584.
The previous prime is 30442432123. The next prime is 30442432147. The reversal of 30442432134 is 43123424403.
It is a happy number.
It is a congruent number.
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, 12161127 + ... + 12163629.
It is an arithmetic number, because the mean of its divisors is an integer number (535455360).
Almost surely, 230442432134 is an apocalyptic number.
30442432134 is a gapful number since it is divisible by the number (34) formed by its first and last digit.
30442432134 is an abundant number, since it is smaller than the sum of its proper divisors (38095853946).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30442432134 is a wasteful number, since it uses less digits than its factorization.
30442432134 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2674.
The product of its (nonzero) digits is 27648, while the sum is 30.
Adding to 30442432134 its reverse (43123424403), we get a palindrome (73565856537).
The spelling of 30442432134 in words is "thirty billion, four hundred forty-two million, four hundred thirty-two thousand, one hundred thirty-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •