Base | Representation |
---|---|
bin | 11100101111101010… |
… | …10101010101100010 |
3 | 1110211111111010222011 |
4 | 32113311111111202 |
5 | 223101123230110 |
6 | 11031154303134 |
7 | 1054265616505 |
oct | 162765252542 |
9 | 43744433864 |
10 | 15432242530 |
11 | 65aa10a251 |
12 | 2ba8287aaa |
13 | 15bc269273 |
14 | a657bd13c |
15 | 604c4648a |
hex | 397d55562 |
15432242530 has 16 divisors (see below), whose sum is σ = 27779480064. Its totient is φ = 6172576240.
The previous prime is 15432242509. The next prime is 15432242533. The reversal of 15432242530 is 3524223451.
It is a junction number, because it is equal to n+sod(n) for n = 15432242492 and 15432242501.
It is not an unprimeable number, because it can be changed into a prime (15432242533) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 296565 + ... + 344695.
It is an arithmetic number, because the mean of its divisors is an integer number (1736217504).
Almost surely, 215432242530 is an apocalyptic number.
15432242530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
15432242530 is a deficient number, since it is larger than the sum of its proper divisors (12347237534).
15432242530 is a wasteful number, since it uses less digits than its factorization.
15432242530 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 80201.
The product of its (nonzero) digits is 28800, while the sum is 31.
Adding to 15432242530 its reverse (3524223451), we get a palindrome (18956465981).
The spelling of 15432242530 in words is "fifteen billion, four hundred thirty-two million, two hundred forty-two thousand, five hundred thirty".
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