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20315327063 = 171301918539
BaseRepresentation
bin10010111010111000…
…110100101001010111
31221102210212112122212
4102322320310221113
5313101210431223
613155511544035
71316301300533
oct227270645127
957383775585
1020315327063
1186855219a9
123b2b68b01b
131bb9b10bb5
14daa128bc3
157dd7a6278
hex4bae34a57

20315327063 has 8 divisors (see below), whose sum is σ = 21526903440. Its totient is φ = 19105590400.

The previous prime is 20315327059. The next prime is 20315327069. The reversal of 20315327063 is 36072351302.

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 20315327063 - 22 = 20315327059 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20315327069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 437153 + ... + 481386.

It is an arithmetic number, because the mean of its divisors is an integer number (2690862930).

Almost surely, 220315327063 is an apocalyptic number.

20315327063 is a deficient number, since it is larger than the sum of its proper divisors (1211576377).

20315327063 is a wasteful number, since it uses less digits than its factorization.

20315327063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 919857.

The product of its (nonzero) digits is 22680, while the sum is 32.

Adding to 20315327063 its reverse (36072351302), we get a palindrome (56387678365).

The spelling of 20315327063 in words is "twenty billion, three hundred fifteen million, three hundred twenty-seven thousand, sixty-three".

Divisors: 1 17 1301 22117 918539 15615163 1195019239 20315327063