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12885884299 = 731311347473
BaseRepresentation
bin11000000000000111…
…01111110110001011
31020021001001202011001
430000003233312023
5202342241244144
65530353115431
7634216131541
oct140003576613
936231052131
1012885884299
115512822662
1225b7558b77
1312a4858212
148a3541d91
1550640ebd4
hex3000efd8b

12885884299 has 8 divisors (see below), whose sum is σ = 13162126032. Its totient is φ = 12612337920.

The previous prime is 12885884293. The next prime is 12885884309. The reversal of 12885884299 is 99248858821.

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

It is a cyclic number.

It is not a de Polignac number, because 12885884299 - 217 = 12885753227 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12885884299.

It is not an unprimeable number, because it can be changed into a prime (12885884293) 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, 664174 + ... + 683299.

It is an arithmetic number, because the mean of its divisors is an integer number (1645265754).

Almost surely, 212885884299 is an apocalyptic number.

12885884299 is a deficient number, since it is larger than the sum of its proper divisors (276241733).

12885884299 is a wasteful number, since it uses less digits than its factorization.

12885884299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1347677.

The product of its digits is 26542080, while the sum is 64.

The spelling of 12885884299 in words is "twelve billion, eight hundred eighty-five million, eight hundred eighty-four thousand, two hundred ninety-nine".

Divisors: 1 73 131 9563 1347473 98365529 176518963 12885884299