Search a number
-
+
12444244441 = 1011133672971
BaseRepresentation
bin10111001011011110…
…00001100111011001
31012010021001010011021
423211233001213121
5200441211310231
65414455202441
7620244222016
oct134557014731
935107033137
1012444244441
1153064a7042
1224b3676421
1312341c7865
14860a1c70d
154cc773811
hex2e5bc19d9

12444244441 has 16 divisors (see below), whose sum is σ = 12717497088. Its totient is φ = 12174624000.

The previous prime is 12444244411. The next prime is 12444244453. The reversal of 12444244441 is 14444244421.

It is a cyclic number.

It is not a de Polignac number, because 12444244441 - 223 = 12435855833 is a prime.

It is a super-3 number, since 3×124442444413 (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12444244397 and 12444244406.

It is not an unprimeable number, because it can be changed into a prime (12444244411) 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 15 ways as a sum of consecutive naturals, for example, 4187086 + ... + 4190056.

It is an arithmetic number, because the mean of its divisors is an integer number (794843568).

Almost surely, 212444244441 is an apocalyptic number.

It is an amenable number.

12444244441 is a deficient number, since it is larger than the sum of its proper divisors (273252647).

12444244441 is a wasteful number, since it uses less digits than its factorization.

12444244441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3552.

The product of its digits is 65536, while the sum is 34.

Adding to 12444244441 its reverse (14444244421), we get a palindrome (26888488862).

The spelling of 12444244441 in words is "twelve billion, four hundred forty-four million, two hundred forty-four thousand, four hundred forty-one".

Divisors: 1 101 113 367 2971 11413 37067 41471 300071 335723 1090357 4188571 33908023 110126057 123210341 12444244441