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20314140047 = 57679352193
BaseRepresentation
bin10010111010110100…
…010010110110001111
31221102201122020101022
4102322310102312033
5313100404440142
613155430304355
71316255225045
oct227264226617
957381566338
1020314140047
1186848910a3
123b2b1b80bb
131bb97b6816
14da9cda395
157dd61e6d2
hex4bad12d8f

20314140047 has 4 divisors (see below), whose sum is σ = 20314549920. Its totient is φ = 20313730176.

The previous prime is 20314139983. The next prime is 20314140053. The reversal of 20314140047 is 74004141302.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20314140047 - 26 = 20314139983 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20314139998 and 20314140025.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20314140097) 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 3 ways as a sum of consecutive naturals, for example, 118418 + ... + 233775.

It is an arithmetic number, because the mean of its divisors is an integer number (5078637480).

Almost surely, 220314140047 is an apocalyptic number.

20314140047 is a deficient number, since it is larger than the sum of its proper divisors (409873).

20314140047 is an equidigital number, since it uses as much as digits as its factorization.

20314140047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409872.

The product of its (nonzero) digits is 2688, while the sum is 26.

Adding to 20314140047 its reverse (74004141302), we get a palindrome (94318281349).

The spelling of 20314140047 in words is "twenty billion, three hundred fourteen million, one hundred forty thousand, forty-seven".

Divisors: 1 57679 352193 20314140047