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64222022245 = 513793754777
BaseRepresentation
bin111011110011111011…
…100100101001100101
320010202202001202110111
4323303323210221211
52023011314202440
645300404453021
74432324116313
oct736373445145
9203682052414
1064222022245
1125266725947
12105439aa171
1360963768c4
1431734bd0b3
151a0d2324ea
hexef3ee4a65

64222022245 has 8 divisors (see below), whose sum is σ = 77628956184. Its totient is φ = 51002598144.

The previous prime is 64222022233. The next prime is 64222022279. The reversal of 64222022245 is 54222022246.

It can be written as a sum of positive squares in 4 ways, for example, as 18850466209 + 45371556036 = 137297^2 + 213006^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 64222022245 - 211 = 64222020197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46876704 + ... + 46878073.

It is an arithmetic number, because the mean of its divisors is an integer number (9703619523).

Almost surely, 264222022245 is an apocalyptic number.

It is an amenable number.

64222022245 is a deficient number, since it is larger than the sum of its proper divisors (13406933939).

64222022245 is a wasteful number, since it uses less digits than its factorization.

64222022245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93754919.

The product of its (nonzero) digits is 30720, while the sum is 31.

Subtracting from 64222022245 its reverse (54222022246), we obtain a palindrome (9999999999).

The spelling of 64222022245 in words is "sixty-four billion, two hundred twenty-two million, twenty-two thousand, two hundred forty-five".

Divisors: 1 5 137 685 93754777 468773885 12844404449 64222022245