Search a number
-
+
13806744007 = 71972392001
BaseRepresentation
bin11001101101111001…
…00011000111000111
31022122012211021012011
430312330203013013
5211234011302012
610202010235051
7666100246660
oct146674430707
938565737164
1013806744007
115945602141
122813a25a87
1313c0576414
1494d96c367
1555c1ac1a7
hex336f231c7

13806744007 has 4 divisors (see below), whose sum is σ = 15779136016. Its totient is φ = 11834352000.

The previous prime is 13806744001. The next prime is 13806744011. The reversal of 13806744007 is 70044760831.

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 13806744007 - 27 = 13806743879 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13806744001) 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, 986195994 + ... + 986196007.

It is an arithmetic number, because the mean of its divisors is an integer number (3944784004).

Almost surely, 213806744007 is an apocalyptic number.

13806744007 is a deficient number, since it is larger than the sum of its proper divisors (1972392009).

13806744007 is an equidigital number, since it uses as much as digits as its factorization.

13806744007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1972392008.

The product of its (nonzero) digits is 112896, while the sum is 40.

The spelling of 13806744007 in words is "thirteen billion, eight hundred six million, seven hundred forty-four thousand, seven".

Divisors: 1 7 1972392001 13806744007