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11420044001 = 79144557519
BaseRepresentation
bin10101010001011000…
…00000101011100001
31002110212211100021122
422220230000223201
5141342012402001
65125111102025
7552666525632
oct125054005341
932425740248
1011420044001
1149303540a3
122268671915
1310ccc663b2
147a49b1889
1546c8b1b1b
hex2a8b00ae1

11420044001 has 4 divisors (see below), whose sum is σ = 11564601600. Its totient is φ = 11275486404.

The previous prime is 11420043979. The next prime is 11420044021. The reversal of 11420044001 is 10044002411.

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.

It is not a de Polignac number, because 11420044001 - 230 = 10346302177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11420044021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72278681 + ... + 72278838.

It is an arithmetic number, because the mean of its divisors is an integer number (2891150400).

Almost surely, 211420044001 is an apocalyptic number.

It is an amenable number.

11420044001 is a deficient number, since it is larger than the sum of its proper divisors (144557599).

11420044001 is an equidigital number, since it uses as much as digits as its factorization.

11420044001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144557598.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 11420044001 its reverse (10044002411), we get a palindrome (21464046412).

The spelling of 11420044001 in words is "eleven billion, four hundred twenty million, forty-four thousand, one".

Divisors: 1 79 144557519 11420044001