Search a number
-
+
11024575087 = 13780471351
BaseRepresentation
bin10100100010001110…
…11010101001101111
31001110022200102220211
422101013122221233
5140034242400322
65021542523251
7540125225221
oct122107325157
931408612824
1011024575087
1147480a3489
122178136527
131069050316
1476826a411
15447ce5b77
hex2911daa6f

11024575087 has 4 divisors (see below), whose sum is σ = 11105046576. Its totient is φ = 10944103600.

The previous prime is 11024575007. The next prime is 11024575097. The reversal of 11024575087 is 78057542011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78057542011 = 247331563907.

It is a cyclic number.

It is not a de Polignac number, because 11024575087 - 219 = 11024050799 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11024575007) 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, 40235539 + ... + 40235812.

It is an arithmetic number, because the mean of its divisors is an integer number (2776261644).

Almost surely, 211024575087 is an apocalyptic number.

11024575087 is a deficient number, since it is larger than the sum of its proper divisors (80471489).

11024575087 is an equidigital number, since it uses as much as digits as its factorization.

11024575087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80471488.

The product of its (nonzero) digits is 78400, while the sum is 40.

The spelling of 11024575087 in words is "eleven billion, twenty-four million, five hundred seventy-five thousand, eighty-seven".

Divisors: 1 137 80471351 11024575087