Search a number
-
+
13487714823 = 311408718631
BaseRepresentation
bin11001000111110111…
…00011001000000111
31021210222111220102110
430203323203020013
5210110323333243
610110212312103
7655144453512
oct144373431007
937728456373
1013487714823
1157a1510860
122745012633
13136c44505b
1491d443d79
1553e18ee33
hex323ee3207

13487714823 has 8 divisors (see below), whose sum is σ = 19618494336. Its totient is φ = 8174372600.

The previous prime is 13487714803. The next prime is 13487714839. The reversal of 13487714823 is 32841778431.

13487714823 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 not a de Polignac number, because 13487714823 - 28 = 13487714567 is a prime.

It is a super-2 number, since 2×134877148232 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13487714803) 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, 204359283 + ... + 204359348.

It is an arithmetic number, because the mean of its divisors is an integer number (2452311792).

Almost surely, 213487714823 is an apocalyptic number.

13487714823 is a deficient number, since it is larger than the sum of its proper divisors (6130779513).

13487714823 is a wasteful number, since it uses less digits than its factorization.

13487714823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408718645.

The product of its digits is 903168, while the sum is 48.

The spelling of 13487714823 in words is "thirteen billion, four hundred eighty-seven million, seven hundred fourteen thousand, eight hundred twenty-three".

Divisors: 1 3 11 33 408718631 1226155893 4495904941 13487714823