Base | Representation |
---|---|
bin | 10111010101101100… |
… | …101100011110111111 |
3 | 2101200110222222120000 |
4 | 113111230230132333 |
5 | 402310341200111 |
6 | 15302404525343 |
7 | 1545004223061 |
oct | 272554543677 |
9 | 71613888500 |
10 | 25060100031 |
11 | a69a85607a |
12 | 4a346b0853 |
13 | 2494b19b75 |
14 | 12da34d731 |
15 | 9ba0e4c56 |
hex | 5d5b2c7bf |
25060100031 has 20 divisors (see below), whose sum is σ = 37493755992. Its totient is φ = 16680716208.
The previous prime is 25060100029. The next prime is 25060100053. The reversal of 25060100031 is 13000106052.
It is not a de Polignac number, because 25060100031 - 21 = 25060100029 is a prime.
It is a super-2 number, since 2×250601000312 (a number of 22 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 25060099977 and 25060100013.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (25060100531) by changing a digit.
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 19 ways as a sum of consecutive naturals, for example, 188496 + ... + 292661.
Almost surely, 225060100031 is an apocalyptic number.
25060100031 is a deficient number, since it is larger than the sum of its proper divisors (12433655961).
25060100031 is an equidigital number, since it uses as much as digits as its factorization.
25060100031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 481812 (or 481803 counting only the distinct ones).
The product of its (nonzero) digits is 180, while the sum is 18.
Adding to 25060100031 its reverse (13000106052), we get a palindrome (38060206083).
The spelling of 25060100031 in words is "twenty-five billion, sixty million, one hundred thousand, thirty-one".
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