Base | Representation |
---|---|
bin | 11011111111111000… |
… | …10101100100111100 |
3 | 1102210120021112011001 |
4 | 31333330111210330 |
5 | 221241021102330 |
6 | 10523315340044 |
7 | 1041331002331 |
oct | 157774254474 |
9 | 42716245131 |
10 | 15031425340 |
11 | 6413936378 |
12 | 2ab5bb1624 |
13 | 15571cca29 |
14 | a28484988 |
15 | 5ce9709ca |
hex | 37ff1593c |
15031425340 has 24 divisors (see below), whose sum is σ = 31571073072. Its totient is φ = 6011602560.
The previous prime is 15031425329. The next prime is 15031425341. The reversal of 15031425340 is 4352413051.
It is a junction number, because it is equal to n+sod(n) for n = 15031425299 and 15031425308.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (15031425341) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74232 + ... + 188608.
It is an arithmetic number, because the mean of its divisors is an integer number (1315461378).
Almost surely, 215031425340 is an apocalyptic number.
15031425340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
15031425340 is an abundant number, since it is smaller than the sum of its proper divisors (16539647732).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
15031425340 is a wasteful number, since it uses less digits than its factorization.
15031425340 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 120957 (or 120955 counting only the distinct ones).
The product of its (nonzero) digits is 7200, while the sum is 28.
Adding to 15031425340 its reverse (4352413051), we get a palindrome (19383838391).
The spelling of 15031425340 in words is "fifteen billion, thirty-one million, four hundred twenty-five thousand, three hundred forty".
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