Base | Representation |
---|---|
bin | 10111010010001110… |
… | …110101010100001001 |
3 | 2101112102120011022102 |
4 | 113102032311110021 |
5 | 402200444041413 |
6 | 15252530203145 |
7 | 1543366662014 |
oct | 272216652411 |
9 | 71472504272 |
10 | 25001940233 |
11 | a66aa41826 |
12 | 4a191234b5 |
13 | 2485a6569a |
14 | 12d273037b |
15 | 9b4e57458 |
hex | 5d23b5509 |
25001940233 has 2 divisors, whose sum is σ = 25001940234. Its totient is φ = 25001940232.
The previous prime is 25001940221. The next prime is 25001940269. The reversal of 25001940233 is 33204910052.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 16903380169 + 8098560064 = 130013^2 + 89992^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-25001940233 is a prime.
It is a super-3 number, since 3×250019402333 (a number of 32 digits) contains 333 as substring.
It is a Sophie Germain prime.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 25001940196 and 25001940205.
It is not a weakly prime, because it can be changed into another prime (25001940283) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12500970116 + 12500970117.
It is an arithmetic number, because the mean of its divisors is an integer number (12500970117).
Almost surely, 225001940233 is an apocalyptic number.
It is an amenable number.
25001940233 is a deficient number, since it is larger than the sum of its proper divisors (1).
25001940233 is an equidigital number, since it uses as much as digits as its factorization.
25001940233 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 6480, while the sum is 29.
The spelling of 25001940233 in words is "twenty-five billion, one million, nine hundred forty thousand, two hundred thirty-three".
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