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64242104453 is a prime number
BaseRepresentation
bin111011110101001000…
…001011100010000101
320010211010212001001222
4323311020023202011
52023031434320303
645302403130125
74432656610112
oct736510134205
9203733761058
1064242104453
1125276aa1a0a
121054a673945
13609a588577
143176029909
151a0ed9c938
hexef520b885

64242104453 has 2 divisors, whose sum is σ = 64242104454. Its totient is φ = 64242104452.

The previous prime is 64242104431. The next prime is 64242104461. The reversal of 64242104453 is 35440124246.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64174568929 + 67535524 = 253327^2 + 8218^2 .

It is a cyclic number.

It is not a de Polignac number, because 64242104453 - 28 = 64242104197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64242104473) 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, 32121052226 + 32121052227.

It is an arithmetic number, because the mean of its divisors is an integer number (32121052227).

Almost surely, 264242104453 is an apocalyptic number.

It is an amenable number.

64242104453 is a deficient number, since it is larger than the sum of its proper divisors (1).

64242104453 is an equidigital number, since it uses as much as digits as its factorization.

64242104453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 92160, while the sum is 35.

Adding to 64242104453 its reverse (35440124246), we get a palindrome (99682228699).

The spelling of 64242104453 in words is "sixty-four billion, two hundred forty-two million, one hundred four thousand, four hundred fifty-three".