Search a number
-
+
144421012012 = 22349103453447
BaseRepresentation
bin1000011010000000101…
…0011100001000101100
3111210202221121120002211
42012200022130020230
54331233234341022
6150202431300204
713301613230104
oct2064012341054
9453687546084
10144421012012
1156280994982
1223ba637a664
13108077a0c34
146dc0856204
153b53e0ae77
hex21a029c22c

144421012012 has 12 divisors (see below), whose sum is σ = 253460947600. Its totient is φ = 72003598416.

The previous prime is 144421011979. The next prime is 144421012037. The reversal of 144421012012 is 210210124441.

It is a super-4 number, since 4×1444210120124 (a number of 46 digits) contains 4444 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51725328 + ... + 51728119.

Almost surely, 2144421012012 is an apocalyptic number.

It is an amenable number.

144421012012 is a deficient number, since it is larger than the sum of its proper divisors (109039935588).

144421012012 is a wasteful number, since it uses less digits than its factorization.

144421012012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103453800 (or 103453798 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 144421012012 its reverse (210210124441), we get a palindrome (354631136453).

The spelling of 144421012012 in words is "one hundred forty-four billion, four hundred twenty-one million, twelve thousand, twelve".

Divisors: 1 2 4 349 698 1396 103453447 206906894 413813788 36105253003 72210506006 144421012012