Base | Representation |
---|---|
bin | 11011111111111000… |
… | …10101100110011010 |
3 | 1102210120021112021112 |
4 | 31333330111212122 |
5 | 221241021103214 |
6 | 10523315340322 |
7 | 1041331002524 |
oct | 157774254632 |
9 | 42716245245 |
10 | 15031425434 |
11 | 6413936453 |
12 | 2ab5bb16a2 |
13 | 15571cca9c |
14 | a28484a14 |
15 | 5ce970a3e |
hex | 37ff1599a |
15031425434 has 8 divisors (see below), whose sum is σ = 22548155700. Its totient is φ = 7515373536.
The previous prime is 15031425397. The next prime is 15031425439. The reversal of 15031425434 is 43452413051.
It can be written as a sum of positive squares in 2 ways, for example, as 14810159809 + 221265625 = 121697^2 + 14875^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a self number, because there is not a number n which added to its sum of digits gives 15031425434.
It is not an unprimeable number, because it can be changed into a prime (15031425439) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110009 + ... + 205340.
Almost surely, 215031425434 is an apocalyptic number.
15031425434 is a deficient number, since it is larger than the sum of its proper divisors (7516730266).
15031425434 is a wasteful number, since it uses less digits than its factorization.
15031425434 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 339184.
The product of its (nonzero) digits is 28800, while the sum is 32.
Adding to 15031425434 its reverse (43452413051), we get a palindrome (58483838485).
The spelling of 15031425434 in words is "fifteen billion, thirty-one million, four hundred twenty-five thousand, four hundred thirty-four".
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