Search a number
-
+
64141301797 = 163393504919
BaseRepresentation
bin111011101111000111…
…101001100000100101
320010120010011201211021
4323233013221200211
52022330133124142
645244402411141
74430324032606
oct735707514045
9203503151737
1064141301797
1125225102431
1210520960ab1
136082723621
1431668a9dad
151a060da267
hexeef1e9825

64141301797 has 4 divisors (see below), whose sum is σ = 64534806880. Its totient is φ = 63747796716.

The previous prime is 64141301779. The next prime is 64141301837. The reversal of 64141301797 is 79710314146.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 64141301797 - 227 = 64007084069 is a prime.

It is a super-2 number, since 2×641413017972 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64141308797) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 196752297 + ... + 196752622.

It is an arithmetic number, because the mean of its divisors is an integer number (16133701720).

Almost surely, 264141301797 is an apocalyptic number.

It is an amenable number.

64141301797 is a deficient number, since it is larger than the sum of its proper divisors (393505083).

64141301797 is a wasteful number, since it uses less digits than its factorization.

64141301797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393505082.

The product of its (nonzero) digits is 127008, while the sum is 43.

The spelling of 64141301797 in words is "sixty-four billion, one hundred forty-one million, three hundred one thousand, seven hundred ninety-seven".

Divisors: 1 163 393504919 64141301797