Base | Representation |
---|---|
bin | 11100001100110101… |
… | …01000111010010001 |
3 | 1110002010122022200022 |
4 | 32012122220322101 |
5 | 222001322012040 |
6 | 10542155233225 |
7 | 1044120102260 |
oct | 160632507221 |
9 | 43063568608 |
10 | 15140032145 |
11 | 646a176267 |
12 | 2b26448815 |
13 | 1573867c04 |
14 | a38a765d7 |
15 | 5d92756b5 |
hex | 3866a8e91 |
15140032145 has 8 divisors (see below), whose sum is σ = 20763472704. Its totient is φ = 10381736304.
The previous prime is 15140032129. The next prime is 15140032163. The reversal of 15140032145 is 54123004151.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 15140032145 - 24 = 15140032129 is a prime.
It is a Duffinian 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, 216286139 + ... + 216286208.
It is an arithmetic number, because the mean of its divisors is an integer number (2595434088).
Almost surely, 215140032145 is an apocalyptic number.
It is an amenable number.
15140032145 is a deficient number, since it is larger than the sum of its proper divisors (5623440559).
15140032145 is an equidigital number, since it uses as much as digits as its factorization.
15140032145 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 432572359.
The product of its (nonzero) digits is 2400, while the sum is 26.
Adding to 15140032145 its reverse (54123004151), we get a palindrome (69263036296).
The spelling of 15140032145 in words is "fifteen billion, one hundred forty million, thirty-two thousand, one hundred forty-five".
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