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20003000441 = 191104727751
BaseRepresentation
bin10010101000010001…
…011001000001111001
31220122001011201002012
4102220101121001321
5311431232003231
613104513415305
71305456461354
oct225021310171
956561151065
1020003000441
118535199326
123a62b6a535
131b6a1b8548
14d7a86729b
157c115ee2b
hex4a8459079

20003000441 has 4 divisors (see below), whose sum is σ = 20107728384. Its totient is φ = 19898272500.

The previous prime is 20003000429. The next prime is 20003000447. The reversal of 20003000441 is 14400030002.

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: 14400030002 = 27200015001.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-20003000441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20003000447) 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, 52363685 + ... + 52364066.

It is an arithmetic number, because the mean of its divisors is an integer number (5026932096).

Almost surely, 220003000441 is an apocalyptic number.

It is an amenable number.

20003000441 is a deficient number, since it is larger than the sum of its proper divisors (104727943).

20003000441 is a wasteful number, since it uses less digits than its factorization.

20003000441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104727942.

The product of its (nonzero) digits is 96, while the sum is 14.

Adding to 20003000441 its reverse (14400030002), we get a palindrome (34403030443).

The spelling of 20003000441 in words is "twenty billion, three million, four hundred forty-one", and thus it is an aban number.

Divisors: 1 191 104727751 20003000441