Search a number
-
+
144021312433 = 349550175017
BaseRepresentation
bin1000011000100001010…
…1101101001110110001
3111202202002111201100201
42012020111231032301
54324423423444213
6150055032315201
713255660646155
oct2061025551661
9452662451321
10144021312433
1156096304749
1223ab4542b01
1310772a362cb
146d8372d065
153b2dca66dd
hex218856d3b1

144021312433 has 8 divisors (see below), whose sum is σ = 144462162600. Its totient is φ = 143580624000.

The previous prime is 144021312431. The next prime is 144021312451. The reversal of 144021312433 is 334213120441.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 59786118144 + 84235194289 = 244512^2 + 290233^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 144021312433 - 21 = 144021312431 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144021312431) 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 7 ways as a sum of consecutive naturals, for example, 1882341 + ... + 1957357.

It is an arithmetic number, because the mean of its divisors is an integer number (18057770325).

Almost surely, 2144021312433 is an apocalyptic number.

It is an amenable number.

144021312433 is a deficient number, since it is larger than the sum of its proper divisors (440850167).

144021312433 is an equidigital number, since it uses as much as digits as its factorization.

144021312433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80867.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 144021312433 its reverse (334213120441), we get a palindrome (478234432874).

The spelling of 144021312433 in words is "one hundred forty-four billion, twenty-one million, three hundred twelve thousand, four hundred thirty-three".

Divisors: 1 349 5501 75017 1919849 26180933 412668517 144021312433