Base | Representation |
---|---|
bin | 11100001101000110… |
… | …10101010111110100 |
3 | 1110002021221010020121 |
4 | 32012203111113310 |
5 | 222002412431122 |
6 | 10542320141324 |
7 | 1044145344334 |
oct | 160643252764 |
9 | 43067833217 |
10 | 15142311412 |
11 | 6470492758 |
12 | 2b27167844 |
13 | 15741854a7 |
14 | a390ab0c4 |
15 | 5d9575bc7 |
hex | 3868d55f4 |
15142311412 has 24 divisors (see below), whose sum is σ = 26843564160. Its totient is φ = 7472786880.
The previous prime is 15142311409. The next prime is 15142311449. The reversal of 15142311412 is 21411324151.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1220223 + ... + 1232569.
It is an arithmetic number, because the mean of its divisors is an integer number (1118481840).
Almost surely, 215142311412 is an apocalyptic number.
It is an amenable number.
15142311412 is a deficient number, since it is larger than the sum of its proper divisors (11701252748).
15142311412 is a wasteful number, since it uses less digits than its factorization.
15142311412 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16311 (or 16309 counting only the distinct ones).
The product of its digits is 960, while the sum is 25.
Adding to 15142311412 its reverse (21411324151), we get a palindrome (36553635563).
The spelling of 15142311412 in words is "fifteen billion, one hundred forty-two million, three hundred eleven thousand, four hundred twelve".
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