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11081387876 = 2213213103613
BaseRepresentation
bin10100101001000000…
…01000111101100100
31001121021120211102012
422110200020331210
5140143313403001
65031332333352
7541415146166
oct122440107544
931537524365
1011081387876
1147771777a9
122193174258
131077a52660
14771a18936
1544ccb92bb
hex294808f64

11081387876 has 12 divisors (see below), whose sum is σ = 20884154172. Its totient is φ = 5114486688.

The previous prime is 11081387869. The next prime is 11081387887. The reversal of 11081387876 is 67878318011.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 5711429476 + 5369958400 = 75574^2 + 73280^2 .

It is an unprimeable number.

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, 106551755 + ... + 106551858.

It is an arithmetic number, because the mean of its divisors is an integer number (1740346181).

Almost surely, 211081387876 is an apocalyptic number.

It is an amenable number.

11081387876 is a deficient number, since it is larger than the sum of its proper divisors (9802766296).

11081387876 is a wasteful number, since it uses less digits than its factorization.

11081387876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213103630 (or 213103628 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 50.

The spelling of 11081387876 in words is "eleven billion, eighty-one million, three hundred eighty-seven thousand, eight hundred seventy-six".

Divisors: 1 2 4 13 26 52 213103613 426207226 852414452 2770346969 5540693938 11081387876