Search a number
-
+
1311105476553 = 31972218452583
BaseRepresentation
bin10011000101000011111…
…110011110011111001001
311122100012012021010002120
4103011003332132133021
5132440121000222203
62442151420321453
7163503262446135
oct23050376363711
94570165233076
101311105476553
11466044952094
121921266a3289
1396837b32242
144765a4743c5
1524188d9bb53
hex13143f9e7c9

1311105476553 has 8 divisors (see below), whose sum is σ = 1757014446528. Its totient is φ = 869633412144.

The previous prime is 1311105476521. The next prime is 1311105476609. The reversal of 1311105476553 is 3556745011131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1311105476553 - 25 = 1311105476521 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1311105477553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1109225701 + ... + 1109226882.

It is an arithmetic number, because the mean of its divisors is an integer number (219626805816).

Almost surely, 21311105476553 is an apocalyptic number.

It is an amenable number.

1311105476553 is a deficient number, since it is larger than the sum of its proper divisors (445908969975).

1311105476553 is a wasteful number, since it uses less digits than its factorization.

1311105476553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2218452783.

The product of its (nonzero) digits is 189000, while the sum is 42.

The spelling of 1311105476553 in words is "one trillion, three hundred eleven billion, one hundred five million, four hundred seventy-six thousand, five hundred fifty-three".

Divisors: 1 3 197 591 2218452583 6655357749 437035158851 1311105476553