Search a number
-
+
13064794949 = 231423399181
BaseRepresentation
bin11000010101011100…
…01111001101000101
31020201111201100102102
430022232033031011
5203224041414244
610000223521445
7641520632123
oct141256171505
936644640372
1013064794949
1155a48108a8
122647459285
13130293a2cb
148bd1d4913
15516ea054e
hex30ab8f345

13064794949 has 8 divisors (see below), whose sum is σ = 13642444032. Its totient is φ = 12487947120.

The previous prime is 13064794937. The next prime is 13064794993. The reversal of 13064794949 is 94949746031.

It is a happy number.

13064794949 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 not a de Polignac number, because 13064794949 - 28 = 13064794693 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13064794894 and 13064794903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13064724949) 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, 166862 + ... + 232319.

It is an arithmetic number, because the mean of its divisors is an integer number (1705305504).

Almost surely, 213064794949 is an apocalyptic number.

It is an amenable number.

13064794949 is a deficient number, since it is larger than the sum of its proper divisors (577649083).

13064794949 is a wasteful number, since it uses less digits than its factorization.

13064794949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400627.

The product of its (nonzero) digits is 5878656, while the sum is 56.

The spelling of 13064794949 in words is "thirteen billion, sixty-four million, seven hundred ninety-four thousand, nine hundred forty-nine".

Divisors: 1 23 1423 32729 399181 9181163 568034563 13064794949