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13004423001 = 323973639637
BaseRepresentation
bin11000001110001111…
…11011111101011001
31020120022010010200100
430013013323331121
5203113113014001
65550225530013
7640155525453
oct140707737531
936508103610
1013004423001
115573726529
12262b1a3909
1312c328cc6b
148b519b2d3
15511a27586
hex3071fbf59

13004423001 has 12 divisors (see below), whose sum is σ = 18831487012. Its totient is φ = 8647775136.

The previous prime is 13004422979. The next prime is 13004423039. The reversal of 13004423001 is 10032440031.

It can be written as a sum of positive squares in 2 ways, for example, as 8204011776 + 4800411225 = 90576^2 + 69285^2 .

It is not a de Polignac number, because 13004423001 - 29 = 13004422489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13004423051) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1816246 + ... + 1823391.

Almost surely, 213004423001 is an apocalyptic number.

It is an amenable number.

13004423001 is a deficient number, since it is larger than the sum of its proper divisors (5827064011).

13004423001 is a wasteful number, since it uses less digits than its factorization.

13004423001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3640040 (or 3640037 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 13004423001 its reverse (10032440031), we get a palindrome (23036863032).

The spelling of 13004423001 in words is "thirteen billion, four million, four hundred twenty-three thousand, one".

Divisors: 1 3 9 397 1191 3573 3639637 10918911 32756733 1444935889 4334807667 13004423001