Search a number
-
+
11384444237 = 112910083653
BaseRepresentation
bin10101001101001000…
…01101010101001101
31002101101211200120212
422212210031111031
5141303404203422
65121400052205
7552055115345
oct124644152515
932341750525
1011384444237
114912249501
122258764065
1310c578064a
1479dd85d25
154696cd9e2
hex2a690d54d

11384444237 has 4 divisors (see below), whose sum is σ = 11394529020. Its totient is φ = 11374359456.

The previous prime is 11384444207. The next prime is 11384444311. The reversal of 11384444237 is 73244448311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 73244448311 = 731003348607.

It can be written as a sum of positive squares in 2 ways, for example, as 1896515401 + 9487928836 = 43549^2 + 97406^2 .

It is a cyclic number.

It is not a de Polignac number, because 11384444237 - 26 = 11384444173 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11384444194 and 11384444203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11384444207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5040698 + ... + 5042955.

It is an arithmetic number, because the mean of its divisors is an integer number (2848632255).

Almost surely, 211384444237 is an apocalyptic number.

It is an amenable number.

11384444237 is a deficient number, since it is larger than the sum of its proper divisors (10084783).

11384444237 is a wasteful number, since it uses less digits than its factorization.

11384444237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10084782.

The product of its digits is 258048, while the sum is 41.

The spelling of 11384444237 in words is "eleven billion, three hundred eighty-four million, four hundred forty-four thousand, two hundred thirty-seven".

Divisors: 1 1129 10083653 11384444237