Base | Representation |
---|---|
bin | 11011111101101101… |
… | …10101010000001000 |
3 | 1102202021222211112122 |
4 | 31332312311100020 |
5 | 221221340030000 |
6 | 10521425030412 |
7 | 1041020064653 |
oct | 157666652010 |
9 | 42667884478 |
10 | 15013205000 |
11 | 6404621142 |
12 | 2aaba85408 |
13 | 15534c0671 |
14 | a25ca089a |
15 | 5cd072085 |
hex | 37edb5408 |
15013205000 has 40 divisors (see below), whose sum is σ = 35175951030. Its totient is φ = 6005280000.
The previous prime is 15013204993. The next prime is 15013205003. The reversal of 15013205000 is 50231051.
It can be written as a sum of positive squares in 5 ways, for example, as 5484964 + 15007720036 = 2342^2 + 122506^2 .
It is a tau number, because it is divible by the number of its divisors (40).
It is a self number, because there is not a number n which added to its sum of digits gives 15013205000.
It is not an unprimeable number, because it can be changed into a prime (15013205003) by changing a digit.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1496321 + ... + 1506320.
Almost surely, 215013205000 is an apocalyptic number.
15013205000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
15013205000 is an abundant number, since it is smaller than the sum of its proper divisors (20162746030).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
15013205000 is an equidigital number, since it uses as much as digits as its factorization.
15013205000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3002667 (or 3002648 counting only the distinct ones).
The product of its (nonzero) digits is 150, while the sum is 17.
Adding to 15013205000 its reverse (50231051), we get a palindrome (15063436051).
The spelling of 15013205000 in words is "fifteen billion, thirteen million, two hundred five thousand".
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