Search a number
-
+
64300396669 = 192847333427
BaseRepresentation
bin111011111000100110…
…100011000001111101
320010222012112120221221
4323320212203001331
52023141400143134
645312244353341
74434265232215
oct737046430175
9203865476857
1064300396669
11252a69967a3
12105660a5851
1360a96880c2
14317da81245
151a150645b4
hexef89a307d

64300396669 has 4 divisors (see below), whose sum is σ = 64300922944. Its totient is φ = 64299870396.

The previous prime is 64300396631. The next prime is 64300396673. The reversal of 64300396669 is 96669300346.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 64300396669 - 217 = 64300265597 is a prime.

It is a super-2 number, since 2×643003966692 (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 (64300396679) 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, 26134 + ... + 359560.

It is an arithmetic number, because the mean of its divisors is an integer number (16075230736).

Almost surely, 264300396669 is an apocalyptic number.

It is an amenable number.

64300396669 is a deficient number, since it is larger than the sum of its proper divisors (526275).

64300396669 is a wasteful number, since it uses less digits than its factorization.

64300396669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526274.

The product of its (nonzero) digits is 3779136, while the sum is 52.

The spelling of 64300396669 in words is "sixty-four billion, three hundred million, three hundred ninety-six thousand, six hundred sixty-nine".

Divisors: 1 192847 333427 64300396669