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1144444444461 = 32237375735851
BaseRepresentation
bin10000101001110110001…
…101000101111100101101
311001102000022010110212100
4100221312031011330231
5122222310234210321
62233430040125313
7145453254162243
oct20516615057455
94042008113770
101144444444461
114013a1064a2a
12165974166839
1383bc7882316
143d56a03c793
151eb82750326
hex10a76345f2d

1144444444461 has 24 divisors (see below), whose sum is σ = 1748589350976. Its totient is φ = 719793518400.

The previous prime is 1144444444441. The next prime is 1144444444487. The reversal of 1144444444461 is 1644444444411.

1144444444461 is a `hidden beast` number, since 1 + 144 + 4 + 4 + 4 + 4 + 44 + 461 = 666.

It is not a de Polignac number, because 1144444444461 - 214 = 1144444428077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144444444441) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37852815 + ... + 37883036.

It is an arithmetic number, because the mean of its divisors is an integer number (72857889624).

Almost surely, 21144444444461 is an apocalyptic number.

It is an amenable number.

1144444444461 is a deficient number, since it is larger than the sum of its proper divisors (604144906515).

1144444444461 is a wasteful number, since it uses less digits than its factorization.

1144444444461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75735953 (or 75735950 counting only the distinct ones).

The product of its digits is 1572864, while the sum is 45.

Adding to 1144444444461 its reverse (1644444444411), we get a palindrome (2788888888872).

The spelling of 1144444444461 in words is "one trillion, one hundred forty-four billion, four hundred forty-four million, four hundred forty-four thousand, four hundred sixty-one".

Divisors: 1 3 9 23 69 73 207 219 657 1679 5037 15111 75735851 227207553 681622659 1741924573 5225773719 5528717123 15677321157 16586151369 49758454107 127160493829 381481481487 1144444444461