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144321321310013 = 563047256321979
BaseRepresentation
bin100000110100001001101101…
…000101110001011100111101
3200220222222120000200001010002
4200310021231011301130331
5122404030031223410023
61230540144423524045
742253604611255331
oct4064115505613475
9626888500601102
10144321321310013
1141a92368480981
121422a5325b9625
13626b59969c0b3
14278d2913217c1
1511a41de8c0b28
hex83426d17173d

144321321310013 has 4 divisors (see below), whose sum is σ = 144321578195040. Its totient is φ = 144321064424988.

The previous prime is 144321321310009. The next prime is 144321321310039. The reversal of 144321321310013 is 310013123123441.

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 144321321310013 - 22 = 144321321310009 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 (144321321310513) 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, 127597943 + ... + 128724036.

It is an arithmetic number, because the mean of its divisors is an integer number (36080394548760).

Almost surely, 2144321321310013 is an apocalyptic number.

It is an amenable number.

144321321310013 is a deficient number, since it is larger than the sum of its proper divisors (256885027).

144321321310013 is an equidigital number, since it uses as much as digits as its factorization.

144321321310013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256885026.

The product of its (nonzero) digits is 5184, while the sum is 29.

Adding to 144321321310013 its reverse (310013123123441), we get a palindrome (454334444433454).

The spelling of 144321321310013 in words is "one hundred forty-four trillion, three hundred twenty-one billion, three hundred twenty-one million, three hundred ten thousand, thirteen".

Divisors: 1 563047 256321979 144321321310013