Search a number
-
+
13246428869 = 173106372031
BaseRepresentation
bin11000101011000110…
…00111011011000101
31021012011111022022122
430111203013123011
5204112041210434
610030232535325
7646154534102
oct142543073305
937164438278
1013246428869
11568829a083
122698251545
131331463abb
148d9395aa9
15527dccc2e
hex3158c76c5

13246428869 has 8 divisors (see below), whose sum is σ = 13335716352. Its totient is φ = 13157287920.

The previous prime is 13246428863. The next prime is 13246428887. The reversal of 13246428869 is 96882464231.

It is a happy number.

13246428869 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 a de Polignac number, because none of the positive numbers 2k-13246428869 is a prime.

It is a super-2 number, since 2×132464288692 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13246428869.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13246428863) 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, 147884 + ... + 219914.

It is an arithmetic number, because the mean of its divisors is an integer number (1666964544).

Almost surely, 213246428869 is an apocalyptic number.

It is an amenable number.

13246428869 is a deficient number, since it is larger than the sum of its proper divisors (89287483).

13246428869 is a wasteful number, since it uses less digits than its factorization.

13246428869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73267.

The product of its digits is 3981312, while the sum is 53.

The spelling of 13246428869 in words is "thirteen billion, two hundred forty-six million, four hundred twenty-eight thousand, eight hundred sixty-nine".

Divisors: 1 173 1063 72031 183899 12461363 76568953 13246428869