Base | Representation |
---|---|
bin | 111001011111100011… |
… | …0000110011111111001 |
3 | 102210200111102120000121 |
4 | 1302333012012133321 |
5 | 4010324033211100 |
6 | 132415154133241 |
7 | 11630403210064 |
oct | 1627706063771 |
9 | 383614376017 |
10 | 123465132025 |
11 | 483a79370a4 |
12 | 1bb18281221 |
13 | b848066051 |
14 | 5d936298db |
15 | 33292c651a |
hex | 1cbf1867f9 |
123465132025 has 24 divisors (see below), whose sum is σ = 162130509144. Its totient is φ = 92945894400.
The previous prime is 123465132019. The next prime is 123465132071. The reversal of 123465132025 is 520231564321.
It can be written as a sum of positive squares in 12 ways, for example, as 45010681 + 123420121344 = 6709^2 + 351312^2 .
It is not a de Polignac number, because 123465132025 - 213 = 123465123833 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2809119 + ... + 2852731.
It is an arithmetic number, because the mean of its divisors is an integer number (6755437881).
Almost surely, 2123465132025 is an apocalyptic number.
It is an amenable number.
123465132025 is a deficient number, since it is larger than the sum of its proper divisors (38665377119).
123465132025 is a wasteful number, since it uses less digits than its factorization.
123465132025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 50301 (or 50296 counting only the distinct ones).
The product of its (nonzero) digits is 43200, while the sum is 34.
Adding to 123465132025 its reverse (520231564321), we get a palindrome (643696696346).
The spelling of 123465132025 in words is "one hundred twenty-three billion, four hundred sixty-five million, one hundred thirty-two thousand, twenty-five".
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