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11471074441 = 23498742367
BaseRepresentation
bin10101010111011101…
…01011010010001001
31002121102211221212221
422223232223102021
5141443043340231
65134132534041
7554156344501
oct125356532211
932542757787
1011471074441
114957139012
122281781321
13110a6c2818
147ab696a01
154720e1d11
hex2abbab489

11471074441 has 4 divisors (see below), whose sum is σ = 11969816832. Its totient is φ = 10972332052.

The previous prime is 11471074409. The next prime is 11471074477. The reversal of 11471074441 is 14447017411.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 14447017411 = 61236836351.

It is a cyclic number.

It is not a de Polignac number, because 11471074441 - 25 = 11471074409 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11471074397 and 11471074406.

It is not an unprimeable number, because it can be changed into a prime (11471074481) 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, 249371161 + ... + 249371206.

It is an arithmetic number, because the mean of its divisors is an integer number (2992454208).

Almost surely, 211471074441 is an apocalyptic number.

It is an amenable number.

11471074441 is a deficient number, since it is larger than the sum of its proper divisors (498742391).

11471074441 is an equidigital number, since it uses as much as digits as its factorization.

11471074441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498742390.

The product of its (nonzero) digits is 12544, while the sum is 34.

The spelling of 11471074441 in words is "eleven billion, four hundred seventy-one million, seventy-four thousand, four hundred forty-one".

Divisors: 1 23 498742367 11471074441