Base | Representation |
---|---|
bin | 101111101111101001… |
… | …0110100110111101101 |
3 | 100210122112020011120122 |
4 | 1133133102310313231 |
5 | 3134440302032000 |
6 | 115034000254325 |
7 | 10256541613502 |
oct | 1373722646755 |
9 | 323575204518 |
10 | 102530502125 |
11 | 3a534882877 |
12 | 17a553113a5 |
13 | 988cb5b58c |
14 | 4d691714a9 |
15 | 2a0148d085 |
hex | 17df4b4ded |
102530502125 has 16 divisors (see below), whose sum is σ = 128621092080. Its totient is φ = 81599385600.
The previous prime is 102530502101. The next prime is 102530502157. The reversal of 102530502125 is 521205035201.
It can be written as a sum of positive squares in 8 ways, for example, as 46661616169 + 55868885956 = 216013^2 + 236366^2 .
It is not a de Polignac number, because 102530502125 - 232 = 98235534829 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 102530502094 and 102530502103.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2100860 + ... + 2149109.
It is an arithmetic number, because the mean of its divisors is an integer number (8038818255).
Almost surely, 2102530502125 is an apocalyptic number.
It is an amenable number.
102530502125 is a deficient number, since it is larger than the sum of its proper divisors (26090589955).
102530502125 is an equidigital number, since it uses as much as digits as its factorization.
102530502125 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4250177 (or 4250167 counting only the distinct ones).
The product of its (nonzero) digits is 3000, while the sum is 26.
Adding to 102530502125 its reverse (521205035201), we get a palindrome (623735537326).
The spelling of 102530502125 in words is "one hundred two billion, five hundred thirty million, five hundred two thousand, one hundred twenty-five".
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