Base | Representation |
---|---|
bin | 11011111101000101… |
… | …01101011100100101 |
3 | 1102201221001211210210 |
4 | 31332202231130211 |
5 | 221214012231044 |
6 | 10521120010033 |
7 | 1040624205252 |
oct | 157642553445 |
9 | 42657054723 |
10 | 15007930149 |
11 | 6401649063 |
12 | 2aaa160919 |
13 | 1552394754 |
14 | a252ca429 |
15 | 5cc87e1b9 |
hex | 37e8ad725 |
15007930149 has 16 divisors (see below), whose sum is σ = 20660649984. Its totient is φ = 9680391600.
The previous prime is 15007930139. The next prime is 15007930183. The reversal of 15007930149 is 94103970051.
It is a happy number.
It is not a de Polignac number, because 15007930149 - 227 = 14873712421 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (15007930139) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 477964 + ... + 508394.
It is an arithmetic number, because the mean of its divisors is an integer number (1291290624).
Almost surely, 215007930149 is an apocalyptic number.
It is an amenable number.
15007930149 is a deficient number, since it is larger than the sum of its proper divisors (5652719835).
15007930149 is a wasteful number, since it uses less digits than its factorization.
15007930149 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 35768.
The product of its (nonzero) digits is 34020, while the sum is 39.
The spelling of 15007930149 in words is "fifteen billion, seven million, nine hundred thirty thousand, one hundred forty-nine".
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