Search a number
-
+
13247771327 = 713577139393
BaseRepresentation
bin11000101011010000…
…01111001010111111
31021012021000111211022
430111220033022333
5204112412140302
610030321414355
7646202125010
oct142550171277
937167014738
1013247771327
11568902674a
12269879a3bb
131331813b5b
148d9625007
155280958a2
hex315a0f2bf

13247771327 has 8 divisors (see below), whose sum is σ = 15141533856. Its totient is φ = 11354314752.

The previous prime is 13247771267. The next prime is 13247771363. The reversal of 13247771327 is 72317774231.

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 13247771327 - 218 = 13247509183 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 (13247771027) 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 7 ways as a sum of consecutive naturals, for example, 25343 + ... + 164735.

It is an arithmetic number, because the mean of its divisors is an integer number (1892691732).

Almost surely, 213247771327 is an apocalyptic number.

13247771327 is a deficient number, since it is larger than the sum of its proper divisors (1893762529).

13247771327 is a wasteful number, since it uses less digits than its factorization.

13247771327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152977.

The product of its digits is 345744, while the sum is 44.

The spelling of 13247771327 in words is "thirteen billion, two hundred forty-seven million, seven hundred seventy-one thousand, three hundred twenty-seven".

Divisors: 1 7 13577 95039 139393 975751 1892538761 13247771327