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144444020412 = 223107112495343
BaseRepresentation
bin1000011010000110001…
…0001101011010111100
3111210211112220111200210
42012201202031122330
54331310132123122
6150205012352420
713302312626016
oct2064142153274
9453745814623
10144444020412
115629297a48a
1223bb2015710
131080c498783
146dc39251b6
153b55e5340c
hex21a188d6bc

144444020412 has 24 divisors (see below), whose sum is σ = 340185920256. Its totient is φ = 47698025008.

The previous prime is 144444020401. The next prime is 144444020429. The reversal of 144444020412 is 214020444441.

It is a self number, because there is not a number n which added to its sum of digits gives 144444020412.

It is a congruent number.

It is an unprimeable number.

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, 56246388 + ... + 56248955.

It is an arithmetic number, because the mean of its divisors is an integer number (14174413344).

Almost surely, 2144444020412 is an apocalyptic number.

144444020412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

144444020412 is an abundant number, since it is smaller than the sum of its proper divisors (195741899844).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144444020412 is a wasteful number, since it uses less digits than its factorization.

144444020412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112495457 (or 112495455 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 30.

Adding to 144444020412 its reverse (214020444441), we get a palindrome (358464464853).

The spelling of 144444020412 in words is "one hundred forty-four billion, four hundred forty-four million, twenty thousand, four hundred twelve".

Divisors: 1 2 3 4 6 12 107 214 321 428 642 1284 112495343 224990686 337486029 449981372 674972058 1349944116 12037001701 24074003402 36111005103 48148006804 72222010206 144444020412