Search a number
-
+
13406014631 = 44189303379
BaseRepresentation
bin11000111110000111…
…11000110010100111
31021121021210002211102
430133003320302213
5204423414432011
610054133230315
7653133146522
oct143703706247
937537702742
1013406014631
11575a389239
12272179239b
13135853ab49
14912657bb9
15536e0273b
hex31f0f8ca7

13406014631 has 4 divisors (see below), whose sum is σ = 13406362200. Its totient is φ = 13405667064.

The previous prime is 13406014627. The next prime is 13406014651. The reversal of 13406014631 is 13641060431.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13406014631 - 22 = 13406014627 is a prime.

It is a super-2 number, since 2×134060146312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13406014594 and 13406014603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13406014651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107501 + ... + 195878.

It is an arithmetic number, because the mean of its divisors is an integer number (3351590550).

Almost surely, 213406014631 is an apocalyptic number.

13406014631 is a deficient number, since it is larger than the sum of its proper divisors (347569).

13406014631 is an equidigital number, since it uses as much as digits as its factorization.

13406014631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347568.

The product of its (nonzero) digits is 5184, while the sum is 29.

The spelling of 13406014631 in words is "thirteen billion, four hundred six million, fourteen thousand, six hundred thirty-one".

Divisors: 1 44189 303379 13406014631