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64627241533 is a prime number
BaseRepresentation
bin111100001100000101…
…010111001000111101
320011210222120000211021
4330030011113020331
52024324033212113
645404522024141
74445344326541
oct741405271075
9204728500737
1064627241533
1125454436118
1210637648051
13612c2c4a2a
1431b1241a21
151a33ac748d
hexf0c15723d

64627241533 has 2 divisors, whose sum is σ = 64627241534. Its totient is φ = 64627241532.

The previous prime is 64627241521. The next prime is 64627241561. The reversal of 64627241533 is 33514272646.

64627241533 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37032383844 + 27594857689 = 192438^2 + 166117^2 .

It is a cyclic number.

It is not a de Polignac number, because 64627241533 - 229 = 64090370621 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 64627241533.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64627241563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32313620766 + 32313620767.

It is an arithmetic number, because the mean of its divisors is an integer number (32313620767).

Almost surely, 264627241533 is an apocalyptic number.

It is an amenable number.

64627241533 is a deficient number, since it is larger than the sum of its proper divisors (1).

64627241533 is an equidigital number, since it uses as much as digits as its factorization.

64627241533 is an evil number, because the sum of its binary digits is even.

The product of its digits is 725760, while the sum is 43.

The spelling of 64627241533 in words is "sixty-four billion, six hundred twenty-seven million, two hundred forty-one thousand, five hundred thirty-three".