Search a number
-
+
12169484369 = 71738497767
BaseRepresentation
bin10110101010101101…
…11001100001010001
31011102010000212012022
423111112321201101
5144410341444434
65331322141225
7610366624160
oct132526714121
934363025168
1012169484369
1151853a17a9
122437651815
1311bc2c6233
148363393d7
154b359d22e
hex2d55b9851

12169484369 has 4 divisors (see below), whose sum is σ = 13907982144. Its totient is φ = 10430986596.

The previous prime is 12169484317. The next prime is 12169484387. The reversal of 12169484369 is 96348496121.

12169484369 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 96348496121 = 382325202327.

It is a cyclic number.

It is not a de Polignac number, because 12169484369 - 212 = 12169480273 is a prime.

It is a super-2 number, since 2×121694843692 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12169484369.

It is not an unprimeable number, because it can be changed into a prime (12169484399) 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 3 ways as a sum of consecutive naturals, for example, 869248877 + ... + 869248890.

It is an arithmetic number, because the mean of its divisors is an integer number (3476995536).

Almost surely, 212169484369 is an apocalyptic number.

It is an amenable number.

12169484369 is a deficient number, since it is larger than the sum of its proper divisors (1738497775).

12169484369 is an equidigital number, since it uses as much as digits as its factorization.

12169484369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1738497774.

The product of its digits is 2239488, while the sum is 53.

The spelling of 12169484369 in words is "twelve billion, one hundred sixty-nine million, four hundred eighty-four thousand, three hundred sixty-nine".

Divisors: 1 7 1738497767 12169484369