Search a number
-
+
64221303395 = 515185061329
BaseRepresentation
bin111011110011111000…
…110101001001100011
320010202200201020101102
4323303320311021203
52023011123202040
645300341225015
74432315033454
oct736370651143
9203680636342
1064221303395
1125266284857
121054370216b
136096184652
14317337312b
151a0d13e515
hexef3e35263

64221303395 has 8 divisors (see below), whose sum is σ = 77575932960. Its totient is φ = 51036796800.

The previous prime is 64221303371. The next prime is 64221303397. The reversal of 64221303395 is 59330312246.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 64221303395 - 212 = 64221299299 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64221303397) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42529910 + ... + 42531419.

It is an arithmetic number, because the mean of its divisors is an integer number (9696991620).

Almost surely, 264221303395 is an apocalyptic number.

64221303395 is a deficient number, since it is larger than the sum of its proper divisors (13354629565).

64221303395 is a wasteful number, since it uses less digits than its factorization.

64221303395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85061485.

The product of its (nonzero) digits is 116640, while the sum is 38.

The spelling of 64221303395 in words is "sixty-four billion, two hundred twenty-one million, three hundred three thousand, three hundred ninety-five".

Divisors: 1 5 151 755 85061329 425306645 12844260679 64221303395