Search a number
-
+
144241120041421 = 1311095470772417
BaseRepresentation
bin100000110010111111000000…
…101110001101100111001101
3200220201022112122211110111211
4200302333000232031213031
5122401221303212311141
61230435242240214421
742245035263603664
oct4062770056154715
9626638478743454
10144241120041421
1141a613519a5817
1214216a8b30a411
136263b57957750
142789443953ddb
1511a20988e6d81
hex832fc0b8d9cd

144241120041421 has 4 divisors (see below), whose sum is σ = 155336590813852. Its totient is φ = 133145649268992.

The previous prime is 144241120041373. The next prime is 144241120041433. The reversal of 144241120041421 is 124140021142441.

It is a happy number.

144241120041421 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.

It can be written as a sum of positive squares in 2 ways, for example, as 35700457700196 + 108540662341225 = 5974986^2 + 10418285^2 .

It is a cyclic number.

It is not a de Polignac number, because 144241120041421 - 243 = 135445027019213 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 (144241120041451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5547735386196 + ... + 5547735386221.

It is an arithmetic number, because the mean of its divisors is an integer number (38834147703463).

Almost surely, 2144241120041421 is an apocalyptic number.

It is an amenable number.

144241120041421 is a deficient number, since it is larger than the sum of its proper divisors (11095470772431).

144241120041421 is a wasteful number, since it uses less digits than its factorization.

144241120041421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11095470772430.

The product of its (nonzero) digits is 8192, while the sum is 31.

Adding to 144241120041421 its reverse (124140021142441), we get a palindrome (268381141183862).

The spelling of 144241120041421 in words is "one hundred forty-four trillion, two hundred forty-one billion, one hundred twenty million, forty-one thousand, four hundred twenty-one".

Divisors: 1 13 11095470772417 144241120041421