Base | Representation |
---|---|
bin | 11100000010001000… |
… | …11101000100111111 |
3 | 1102211212212000001121 |
4 | 32001010131010333 |
5 | 221310341033211 |
6 | 10525232451411 |
7 | 1041650461243 |
oct | 160104350477 |
9 | 42755760047 |
10 | 15050330431 |
11 | 6423579014 |
12 | 2b003a9b67 |
13 | 155b0bb986 |
14 | a2aba6423 |
15 | 5d1457271 |
hex | 38111d13f |
15050330431 has 4 divisors (see below), whose sum is σ = 15065188632. Its totient is φ = 15035472232.
The previous prime is 15050330423. The next prime is 15050330437. The reversal of 15050330431 is 13403305051.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13403305051 = 74051 ⋅181001.
It is a cyclic number.
It is not a de Polignac number, because 15050330431 - 23 = 15050330423 is a prime.
It is a super-2 number, since 2×150503304312 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 15050330396 and 15050330405.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (15050330437) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7427581 + ... + 7429606.
It is an arithmetic number, because the mean of its divisors is an integer number (3766297158).
Almost surely, 215050330431 is an apocalyptic number.
15050330431 is a deficient number, since it is larger than the sum of its proper divisors (14858201).
15050330431 is a wasteful number, since it uses less digits than its factorization.
15050330431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14858200.
The product of its (nonzero) digits is 2700, while the sum is 25.
Adding to 15050330431 its reverse (13403305051), we get a palindrome (28453635482).
The spelling of 15050330431 in words is "fifteen billion, fifty million, three hundred thirty thousand, four hundred thirty-one".
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