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13153253111 = 53248174587
BaseRepresentation
bin11000011111111111…
…01011011011110111
31020221200011111012122
430033333223123313
5203414213044421
610013103510155
7643643543465
oct141777533367
936850144178
1013153253111
11563a739819
122670bb835b
13131806c50b
148cac5d835
1551eb252ab
hex30ffeb6f7

13153253111 has 4 divisors (see below), whose sum is σ = 13401427752. Its totient is φ = 12905078472.

The previous prime is 13153253089. The next prime is 13153253143. The reversal of 13153253111 is 11135235131.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11135235131 = 17896224279.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13153253111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13153253171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124087241 + ... + 124087346.

It is an arithmetic number, because the mean of its divisors is an integer number (3350356938).

Almost surely, 213153253111 is an apocalyptic number.

13153253111 is a deficient number, since it is larger than the sum of its proper divisors (248174641).

13153253111 is an equidigital number, since it uses as much as digits as its factorization.

13153253111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248174640.

The product of its digits is 1350, while the sum is 26.

Adding to 13153253111 its reverse (11135235131), we get a palindrome (24288488242).

The spelling of 13153253111 in words is "thirteen billion, one hundred fifty-three million, two hundred fifty-three thousand, one hundred eleven".

Divisors: 1 53 248174587 13153253111