Search a number
-
+
13985482989 = 39748060079
BaseRepresentation
bin11010000011001100…
…11000100011101101
31100002200011010222110
431001212120203231
5212120240423424
610231433234233
71003400433612
oct150146304355
940080133873
1013985482989
115a27493405
122863862979
13141b5c832a
149695b8509
1556cc16c29
hex3419988ed

13985482989 has 8 divisors (see below), whose sum is σ = 18839551360. Its totient is φ = 9227534976.

The previous prime is 13985482937. The next prime is 13985483023. The reversal of 13985482989 is 98928458931.

It is a happy number.

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

It is not a de Polignac number, because 13985482989 - 29 = 13985482477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13985482909) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24029749 + ... + 24030330.

It is an arithmetic number, because the mean of its divisors is an integer number (2354943920).

Almost surely, 213985482989 is an apocalyptic number.

It is an amenable number.

13985482989 is a deficient number, since it is larger than the sum of its proper divisors (4854068371).

13985482989 is an equidigital number, since it uses as much as digits as its factorization.

13985482989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48060179.

The product of its digits is 44789760, while the sum is 66.

The spelling of 13985482989 in words is "thirteen billion, nine hundred eighty-five million, four hundred eighty-two thousand, nine hundred eighty-nine".

Divisors: 1 3 97 291 48060079 144180237 4661827663 13985482989