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144311224021201 = 230962499447389
BaseRepresentation
bin100000110100000000010011…
…001111101011000011010001
3200220222000111022211121211101
4200310000103033223003101
5122403343341322134301
61230531354443544401
742253066442602456
oct4064002317530321
9626860438747741
10144311224021201
1141a89056857396
1214228594b2b101
13626a64a7aa1a3
14278c9b42b582d
1511a3ced1e6701
hex8340133eb0d1

144311224021201 has 4 divisors (see below), whose sum is σ = 144373723470900. Its totient is φ = 144248724571504.

The previous prime is 144311224021199. The next prime is 144311224021457. The reversal of 144311224021201 is 102120422113441.

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

It can be written as a sum of positive squares in 2 ways, for example, as 50123907870976 + 94187316150225 = 7079824^2 + 9705015^2 .

It is a cyclic number.

It is not a de Polignac number, because 144311224021201 - 21 = 144311224021199 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 144311224021201.

It is not an unprimeable number, because it can be changed into a prime (144311224028201) 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, 31249721386 + ... + 31249726003.

It is an arithmetic number, because the mean of its divisors is an integer number (36093430867725).

Almost surely, 2144311224021201 is an apocalyptic number.

It is an amenable number.

144311224021201 is a deficient number, since it is larger than the sum of its proper divisors (62499449699).

144311224021201 is an equidigital number, since it uses as much as digits as its factorization.

144311224021201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62499449698.

The product of its (nonzero) digits is 3072, while the sum is 28.

Adding to 144311224021201 its reverse (102120422113441), we get a palindrome (246431646134642).

The spelling of 144311224021201 in words is "one hundred forty-four trillion, three hundred eleven billion, two hundred twenty-four million, twenty-one thousand, two hundred one".

Divisors: 1 2309 62499447389 144311224021201