Base | Representation |
---|---|
bin | 11100011010100100… |
… | …11111110001101101 |
3 | 1110101011121110200222 |
4 | 32031102133301231 |
5 | 222220331304333 |
6 | 11001434501125 |
7 | 1050020143232 |
oct | 161522376155 |
9 | 43334543628 |
10 | 15255338093 |
11 | 6519271336 |
12 | 2b58b947a5 |
13 | 159170a398 |
14 | a4a0cd789 |
15 | 5e4450298 |
hex | 38d49fc6d |
15255338093 has 6 divisors (see below), whose sum is σ = 16205497866. Its totient is φ = 14357964992.
The previous prime is 15255338083. The next prime is 15255338099. The reversal of 15255338093 is 39083355251.
It can be written as a sum of positive squares in 3 ways, for example, as 11423975689 + 3831362404 = 106883^2 + 61898^2 .
It is not a de Polignac number, because 15255338093 - 214 = 15255321709 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (15255338099) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 26393030 + ... + 26393607.
It is an arithmetic number, because the mean of its divisors is an integer number (2700916311).
Almost surely, 215255338093 is an apocalyptic number.
It is an amenable number.
15255338093 is a deficient number, since it is larger than the sum of its proper divisors (950159773).
15255338093 is an equidigital number, since it uses as much as digits as its factorization.
15255338093 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 52786671 (or 52786654 counting only the distinct ones).
The product of its (nonzero) digits is 486000, while the sum is 44.
The spelling of 15255338093 in words is "fifteen billion, two hundred fifty-five million, three hundred thirty-eight thousand, ninety-three".
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