Base | Representation |
---|---|
bin | 1100001100100… |
… | …10100001011001 |
3 | 21010111222201021 |
4 | 12012102201121 |
5 | 202142441100 |
6 | 14052522441 |
7 | 2351431534 |
oct | 606224131 |
9 | 233458637 |
10 | 102312025 |
11 | 528305a2 |
12 | 2a320421 |
13 | 18272c7a |
14 | d833a1b |
15 | 8eaea1a |
hex | 6192859 |
102312025 has 12 divisors (see below), whose sum is σ = 128398032. Its totient is φ = 80861840.
The previous prime is 102311999. The next prime is 102312043. The reversal of 102312025 is 520213201.
It is not a de Polignac number, because 102312025 - 27 = 102311897 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 (11) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22579 + ... + 26728.
It is an arithmetic number, because the mean of its divisors is an integer number (10699836).
Almost surely, 2102312025 is an apocalyptic number.
It is an amenable number.
102312025 is a deficient number, since it is larger than the sum of its proper divisors (26086007).
102312025 is an equidigital number, since it uses as much as digits as its factorization.
102312025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 49400 (or 49395 counting only the distinct ones).
The product of its (nonzero) digits is 120, while the sum is 16.
The square root of 102312025 is about 10114.9406819813. The cubic root of 102312025 is about 467.7088203206.
Adding to 102312025 its reverse (520213201), we get a palindrome (622525226).
The spelling of 102312025 in words is "one hundred two million, three hundred twelve thousand, twenty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •