Base | Representation |
---|---|
bin | 11100001101010101… |
… | …11100110011101110 |
3 | 1110002102200112222110 |
4 | 32012222330303232 |
5 | 222003420323300 |
6 | 10542431024450 |
7 | 1044201331212 |
oct | 160652746356 |
9 | 43072615873 |
10 | 15144307950 |
11 | 6471626792 |
12 | 2b2796b126 |
13 | 1574704185 |
14 | a3946a942 |
15 | 5d981c550 |
hex | 386abccee |
15144307950 has 48 divisors (see below), whose sum is σ = 37746691200. Its totient is φ = 4018180320.
The previous prime is 15144307909. The next prime is 15144307957. The reversal of 15144307950 is 5970344151.
It is a junction number, because it is equal to n+sod(n) for n = 15144307899 and 15144307908.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (15144307957) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 223824 + ... + 283523.
It is an arithmetic number, because the mean of its divisors is an integer number (786389400).
Almost surely, 215144307950 is an apocalyptic number.
15144307950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
15144307950 is an abundant number, since it is smaller than the sum of its proper divisors (22602383250).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
15144307950 is a wasteful number, since it uses less digits than its factorization.
15144307950 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 507561 (or 507556 counting only the distinct ones).
The product of its (nonzero) digits is 75600, while the sum is 39.
The spelling of 15144307950 in words is "fifteen billion, one hundred forty-four million, three hundred seven thousand, nine hundred fifty".
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