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13398021001 = 129071038043
BaseRepresentation
bin11000111101001010…
…11001001110001001
31021120201201222122001
430132211121032021
5204414343133001
610053250031001
7653005204501
oct143645311611
937521658561
1013398021001
115755919532
12271ab78461
13135699c5a1
14911576a01
15536374001
hex31e959389

13398021001 has 4 divisors (see below), whose sum is σ = 13399071952. Its totient is φ = 13396970052.

The previous prime is 13398020971. The next prime is 13398021017. The reversal of 13398021001 is 10012089331.

13398021001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 a cyclic number.

It is not a de Polignac number, because 13398021001 - 27 = 13398020873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13398021401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 506115 + ... + 531928.

It is an arithmetic number, because the mean of its divisors is an integer number (3349767988).

Almost surely, 213398021001 is an apocalyptic number.

It is an amenable number.

13398021001 is a deficient number, since it is larger than the sum of its proper divisors (1050951).

13398021001 is a wasteful number, since it uses less digits than its factorization.

13398021001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1050950.

The product of its (nonzero) digits is 1296, while the sum is 28.

The spelling of 13398021001 in words is "thirteen billion, three hundred ninety-eight million, twenty-one thousand, one".

Divisors: 1 12907 1038043 13398021001