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11404544441 = 64117791801
BaseRepresentation
bin10101001111100001…
…11000100110111001
31002102210122212212212
422213300320212321
5141324030410231
65123354544505
7552421012463
oct124760704671
932383585785
1011404544441
114922628044
122263438135
1310c999a564
147a28d9133
1546b34e42b
hex2a7c389b9

11404544441 has 4 divisors (see below), whose sum is σ = 11422336884. Its totient is φ = 11386752000.

The previous prime is 11404544383. The next prime is 11404544467. The reversal of 11404544441 is 14444540411.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10137469225 + 1267075216 = 100685^2 + 35596^2 .

It is a cyclic number.

It is not a de Polignac number, because 11404544441 - 210 = 11404543417 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11404544398 and 11404544407.

It is not an unprimeable number, because it can be changed into a prime (11404544491) 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, 8895260 + ... + 8896541.

It is an arithmetic number, because the mean of its divisors is an integer number (2855584221).

Almost surely, 211404544441 is an apocalyptic number.

It is an amenable number.

11404544441 is a deficient number, since it is larger than the sum of its proper divisors (17792443).

11404544441 is an equidigital number, since it uses as much as digits as its factorization.

11404544441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17792442.

The product of its (nonzero) digits is 20480, while the sum is 32.

The spelling of 11404544441 in words is "eleven billion, four hundred four million, five hundred forty-four thousand, four hundred forty-one".

Divisors: 1 641 17791801 11404544441