Search a number
-
+
13455052547 = 40133553747
BaseRepresentation
bin11001000011111101…
…11100111100000011
31021201201001111012112
430201332330330003
5210023443140142
610103044245535
7654300026306
oct144176747403
937651044175
1013455052547
115785032142
1227360a08ab
13136574a371
14918d80b3d
1553b38c382
hex321fbcf03

13455052547 has 4 divisors (see below), whose sum is σ = 13488606696. Its totient is φ = 13421498400.

The previous prime is 13455052531. The next prime is 13455052573. The reversal of 13455052547 is 74525055431.

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

It is a cyclic number.

It is not a de Polignac number, because 13455052547 - 24 = 13455052531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13452052547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16776473 + ... + 16777274.

It is an arithmetic number, because the mean of its divisors is an integer number (3372151674).

Almost surely, 213455052547 is an apocalyptic number.

13455052547 is a deficient number, since it is larger than the sum of its proper divisors (33554149).

13455052547 is an equidigital number, since it uses as much as digits as its factorization.

13455052547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33554148.

The product of its (nonzero) digits is 420000, while the sum is 41.

The spelling of 13455052547 in words is "thirteen billion, four hundred fifty-five million, fifty-two thousand, five hundred forty-seven".

Divisors: 1 401 33553747 13455052547