Search a number
-
+
144212004331 = 203970726829
BaseRepresentation
bin1000011001001110110…
…1001000110111101011
3111210020101022212110121
42012103231020313223
54330321233114311
6150130003424111
713263464545213
oct2062355106753
9453211285417
10144212004331
1156183a0a35a
1223b48385037
13107a33b1955
146da0bab243
153b408c2b71
hex2193b48deb

144212004331 has 4 divisors (see below), whose sum is σ = 144282733200. Its totient is φ = 144141275464.

The previous prime is 144212004317. The next prime is 144212004337. The reversal of 144212004331 is 133400212441.

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

It is a cyclic number.

It is not a de Polignac number, because 144212004331 - 217 = 144211873259 is a prime.

It is a super-2 number, since 2×1442120043312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 144212004296 and 144212004305.

It is not an unprimeable number, because it can be changed into a prime (144212004337) 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, 35361376 + ... + 35365453.

It is an arithmetic number, because the mean of its divisors is an integer number (36070683300).

Almost surely, 2144212004331 is an apocalyptic number.

144212004331 is a deficient number, since it is larger than the sum of its proper divisors (70728869).

144212004331 is an equidigital number, since it uses as much as digits as its factorization.

144212004331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70728868.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 144212004331 its reverse (133400212441), we get a palindrome (277612216772).

The spelling of 144212004331 in words is "one hundred forty-four billion, two hundred twelve million, four thousand, three hundred thirty-one".

Divisors: 1 2039 70726829 144212004331