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11401444213 = 173157137889
BaseRepresentation
bin10101001111001010…
…00011101101110101
31002102120211101011121
422213211003231311
5141322232203323
65123204303541
7552352451065
oct124745035565
932376741147
1011401444213
1149208aa875
1222623a1bb1
1310c91533c3
147a232d3a5
1546ae3aa5d
hex2a7943b75

11401444213 has 16 divisors (see below), whose sum is σ = 12483694080. Its totient is φ = 10366156800.

The previous prime is 11401444139. The next prime is 11401444231. The reversal of 11401444213 is 31244410411.

It is a cyclic number.

It is not a de Polignac number, because 11401444213 - 213 = 11401436021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11401444253) 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, 281973 + ... + 319861.

It is an arithmetic number, because the mean of its divisors is an integer number (780230880).

Almost surely, 211401444213 is an apocalyptic number.

It is an amenable number.

11401444213 is a deficient number, since it is larger than the sum of its proper divisors (1082249867).

11401444213 is a wasteful number, since it uses less digits than its factorization.

11401444213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38508.

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 11401444213 its reverse (31244410411), we get a palindrome (42645854624).

The spelling of 11401444213 in words is "eleven billion, four hundred one million, four hundred forty-four thousand, two hundred thirteen".

Divisors: 1 17 31 527 571 9707 17701 37889 300917 644113 1174559 19967503 21634619 367788523 670673189 11401444213