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20125434041 is a prime number
BaseRepresentation
bin10010101111100100…
…011100000010111001
31220221120112222101222
4102233210130002321
5312204102342131
613125005521425
71311504236546
oct225744340271
956846488358
1020125434041
118598312519
123a97b73275
131b8968506b
14d8cc17bcd
157cbc9687b
hex4af91c0b9

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".