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245524211212201 is a prime number
BaseRepresentation
bin110111110100110110001111…
…011001001001111110101001
31012012022212220102112220220121
4313310312033121021332221
5224140132041032242301
62230104133203523241
7102500352560046505
oct6764661731117651
91165285812486817
10245524211212201
1171260262476459
12236542a1689521
13a6ccaaba4651c
14448b6143a5305
151d5b9ac9233a1
hexdf4d8f649fa9

245524211212201 has 2 divisors, whose sum is σ = 245524211212202. Its totient is φ = 245524211212200.

The previous prime is 245524211212153. The next prime is 245524211212303. The reversal of 245524211212201 is 102212112425542.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 158828652220176 + 86695558992025 = 12602724^2 + 9311045^2 .

It is a cyclic number.

It is not a de Polignac number, because 245524211212201 - 27 = 245524211212073 is a prime.

It is not a weakly prime, because it can be changed into another prime (245524211212901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122762105606100 + 122762105606101.

It is an arithmetic number, because the mean of its divisors is an integer number (122762105606101).

Almost surely, 2245524211212201 is an apocalyptic number.

It is an amenable number.

245524211212201 is a deficient number, since it is larger than the sum of its proper divisors (1).

245524211212201 is an equidigital number, since it uses as much as digits as its factorization.

245524211212201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25600, while the sum is 34.

Adding to 245524211212201 its reverse (102212112425542), we get a palindrome (347736323637743).

The spelling of 245524211212201 in words is "two hundred forty-five trillion, five hundred twenty-four billion, two hundred eleven million, two hundred twelve thousand, two hundred one".