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13453402133 = 72661185153
BaseRepresentation
bin11001000011110001…
…01010000000010101
31021201120221122021002
430201320222000111
5210023032332013
610102545033045
7654250013513
oct144170520025
937646848232
1013453402133
115784105166
122735625785
1313652c00a2
14918a714b3
1553b163358
hex321e2a015

13453402133 has 4 divisors (see below), whose sum is σ = 13453659948. Its totient is φ = 13453144320.

The previous prime is 13453402129. The next prime is 13453402141. The reversal of 13453402133 is 33120435431.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1567605649 + 11885796484 = 39593^2 + 109022^2 .

It is a cyclic number.

It is not a de Polignac number, because 13453402133 - 22 = 13453402129 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13453402096 and 13453402105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13453402163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19916 + ... + 165237.

It is an arithmetic number, because the mean of its divisors is an integer number (3363414987).

Almost surely, 213453402133 is an apocalyptic number.

It is an amenable number.

13453402133 is a deficient number, since it is larger than the sum of its proper divisors (257815).

13453402133 is an equidigital number, since it uses as much as digits as its factorization.

13453402133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257814.

The product of its (nonzero) digits is 12960, while the sum is 29.

Adding to 13453402133 its reverse (33120435431), we get a palindrome (46573837564).

The spelling of 13453402133 in words is "thirteen billion, four hundred fifty-three million, four hundred two thousand, one hundred thirty-three".

Divisors: 1 72661 185153 13453402133