Search a number
-
+
13902294809 = 134987214439
BaseRepresentation
bin11001111001010010…
…00010111100011001
31022212212121202020202
430330221002330121
5211432441413214
610215302231545
71001340361514
oct147451027431
938785552222
1013902294809
115994534947
12283ba255b5
1314072bca60
1495c521d7b
155657836de
hex33ca42f19

13902294809 has 8 divisors (see below), whose sum is σ = 14974774080. Its totient is φ = 12830254416.

The previous prime is 13902294803. The next prime is 13902294811. The reversal of 13902294809 is 90849220931.

13902294809 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13902294809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13902294803) 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 7 ways as a sum of consecutive naturals, for example, 42389 + ... + 172050.

It is an arithmetic number, because the mean of its divisors is an integer number (1871846760).

Almost surely, 213902294809 is an apocalyptic number.

It is an amenable number.

13902294809 is a deficient number, since it is larger than the sum of its proper divisors (1072479271).

13902294809 is a wasteful number, since it uses less digits than its factorization.

13902294809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219439.

The product of its (nonzero) digits is 279936, while the sum is 47.

The spelling of 13902294809 in words is "thirteen billion, nine hundred two million, two hundred ninety-four thousand, eight hundred nine".

Divisors: 1 13 4987 64831 214439 2787707 1069407293 13902294809