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14311342581 = 34770447527
BaseRepresentation
bin11010101010000010…
…11100000111110101
31100221101022112022020
431111001130013311
5213302200430311
610324033423353
71014435255564
oct152501340765
940841275266
1014311342581
11608441a558
122934a0ab59
131470c7b663
1499a99dbdb
1558b632c06
hex35505c1f5

14311342581 has 4 divisors (see below), whose sum is σ = 19081790112. Its totient is φ = 9540895052.

The previous prime is 14311342511. The next prime is 14311342607. The reversal of 14311342581 is 18524311341.

14311342581 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 14311342581 - 225 = 14277788149 is a prime.

It is a super-2 number, since 2×143113425812 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14311342511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2385223761 + ... + 2385223766.

It is an arithmetic number, because the mean of its divisors is an integer number (4770447528).

Almost surely, 214311342581 is an apocalyptic number.

It is an amenable number.

14311342581 is a deficient number, since it is larger than the sum of its proper divisors (4770447531).

14311342581 is an equidigital number, since it uses as much as digits as its factorization.

14311342581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4770447530.

The product of its digits is 11520, while the sum is 33.

The spelling of 14311342581 in words is "fourteen billion, three hundred eleven million, three hundred forty-two thousand, five hundred eighty-one".

Divisors: 1 3 4770447527 14311342581