Search a number
-
+
13722209869 = 371939711979
BaseRepresentation
bin11001100011110100…
…00100111001001101
31022102022202111011011
430301322010321031
5211100341203434
610145350325221
7664022600524
oct146172047115
938368674134
1013722209869
115901914415
1227ab659811
1313a8bb9314
149426454bb
15554a5ee64
hex331e84e4d

13722209869 has 16 divisors (see below), whose sum is σ = 14187856320. Its totient is φ = 13261777920.

The previous prime is 13722209867. The next prime is 13722209873. The reversal of 13722209869 is 96890222731.

13722209869 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 13722209869 - 21 = 13722209867 is a prime.

It is a super-2 number, since 2×137222098692 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13722209867) 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 15 ways as a sum of consecutive naturals, for example, 6932922 + ... + 6934900.

It is an arithmetic number, because the mean of its divisors is an integer number (886741020).

Almost surely, 213722209869 is an apocalyptic number.

It is an amenable number.

13722209869 is a deficient number, since it is larger than the sum of its proper divisors (465646451).

13722209869 is a wasteful number, since it uses less digits than its factorization.

13722209869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3180.

The product of its (nonzero) digits is 653184, while the sum is 49.

The spelling of 13722209869 in words is "thirteen billion, seven hundred twenty-two million, two hundred nine thousand, eight hundred sixty-nine".

Divisors: 1 37 193 971 1979 7141 35927 73223 187403 381947 1921609 6933911 14132039 71099533 370870537 13722209869