Base | Representation |
---|---|
bin | 10010101111100100… |
… | …011100000010111001 |
3 | 1220221120112222101222 |
4 | 102233210130002321 |
5 | 312204102342131 |
6 | 13125005521425 |
7 | 1311504236546 |
oct | 225744340271 |
9 | 56846488358 |
10 | 20125434041 |
11 | 8598312519 |
12 | 3a97b73275 |
13 | 1b8968506b |
14 | d8cc17bcd |
15 | 7cbc9687b |
hex | 4af91c0b9 |
20125434041 has 2 divisors, whose sum is σ = 20125434042. Its totient is φ = 20125434040.
The previous prime is 20125434001. The next prime is 20125434073. The reversal of 20125434041 is 14043452102.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 18467722816 + 1657711225 = 135896^2 + 40715^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-20125434041 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 20125434041.
It is not a weakly prime, because it can be changed into another prime (20125434001) 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, 10062717020 + 10062717021.
It is an arithmetic number, because the mean of its divisors is an integer number (10062717021).
Almost surely, 220125434041 is an apocalyptic number.
It is an amenable number.
20125434041 is a deficient number, since it is larger than the sum of its proper divisors (1).
20125434041 is an equidigital number, since it uses as much as digits as its factorization.
20125434041 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 3840, while the sum is 26.
Adding to 20125434041 its reverse (14043452102), we get a palindrome (34168886143).
The spelling of 20125434041 in words is "twenty billion, one hundred twenty-five million, four hundred thirty-four thousand, forty-one".
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