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52795198021 is a prime number
BaseRepresentation
bin110001001010110101…
…101100101001000101
312001021101110221110111
4301022311230221011
51331111032314041
640130452153021
73546212531056
oct611265545105
9161241427414
1052795198021
1120432570765
12a295008771
134c94ba8357
1427aba6472d
15158ee81981
hexc4ad6ca45

52795198021 has 2 divisors, whose sum is σ = 52795198022. Its totient is φ = 52795198020.

The previous prime is 52795197967. The next prime is 52795198061. The reversal of 52795198021 is 12089159725.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45693765121 + 7101432900 = 213761^2 + 84270^2 .

It is a cyclic number.

It is not a de Polignac number, because 52795198021 - 219 = 52794673733 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52795198061) 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, 26397599010 + 26397599011.

It is an arithmetic number, because the mean of its divisors is an integer number (26397599011).

Almost surely, 252795198021 is an apocalyptic number.

It is an amenable number.

52795198021 is a deficient number, since it is larger than the sum of its proper divisors (1).

52795198021 is an equidigital number, since it uses as much as digits as its factorization.

52795198021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 453600, while the sum is 49.

The spelling of 52795198021 in words is "fifty-two billion, seven hundred ninety-five million, one hundred ninety-eight thousand, twenty-one".