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20160444441 = 36720148147
BaseRepresentation
bin10010110001101001…
…111111100000011001
31221001000102200122110
4102301221333200121
5312242033210231
613132300142533
71312410643644
oct226151774031
957030380573
1020160444441
118606055335
123aa7837a49
131b939c2787
14d9372ca5b
157cedb0046
hex4b1a7f819

20160444441 has 4 divisors (see below), whose sum is σ = 26880592592. Its totient is φ = 13440296292.

The previous prime is 20160444433. The next prime is 20160444457. The reversal of 20160444441 is 14444406102.

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 20160444441 - 23 = 20160444433 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20160444399 and 20160444408.

It is not an unprimeable number, because it can be changed into a prime (20160444481) 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, 3360074071 + ... + 3360074076.

It is an arithmetic number, because the mean of its divisors is an integer number (6720148148).

Almost surely, 220160444441 is an apocalyptic number.

It is an amenable number.

20160444441 is a deficient number, since it is larger than the sum of its proper divisors (6720148151).

20160444441 is an equidigital number, since it uses as much as digits as its factorization.

20160444441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6720148150.

The product of its (nonzero) digits is 12288, while the sum is 30.

The spelling of 20160444441 in words is "twenty billion, one hundred sixty million, four hundred forty-four thousand, four hundred forty-one".

Divisors: 1 3 6720148147 20160444441