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13420314443 = 23251577193
BaseRepresentation
bin11000111111110100…
…11011111101001011
31021122021200121111002
430133322123331023
5204441100030233
610055403525215
7653365535114
oct143772337513
937567617432
1013420314443
115767465968
12272652980b
13135b4a6883
149144db20b
155382c96e8
hex31fe9bf4b

13420314443 has 4 divisors (see below), whose sum is σ = 13420914888. Its totient is φ = 13419714000.

The previous prime is 13420314433. The next prime is 13420314451. The reversal of 13420314443 is 34441302431.

It is a happy number.

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 13420314443 - 218 = 13420052299 is a prime.

It is a super-3 number, since 3×134203144433 (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13420314433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 265346 + ... + 311847.

It is an arithmetic number, because the mean of its divisors is an integer number (3355228722).

Almost surely, 213420314443 is an apocalyptic number.

13420314443 is a deficient number, since it is larger than the sum of its proper divisors (600445).

13420314443 is an equidigital number, since it uses as much as digits as its factorization.

13420314443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600444.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 13420314443 its reverse (34441302431), we get a palindrome (47861616874).

The spelling of 13420314443 in words is "thirteen billion, four hundred twenty million, three hundred fourteen thousand, four hundred forty-three".

Divisors: 1 23251 577193 13420314443