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11112106557 = 310142538623
BaseRepresentation
bin10100101100101010…
…10100101000111101
31001200102101111112010
422112111110220331
5140224144402212
65034351001433
7542240230056
oct122625245075
931612344463
1011112106557
114792549142
1221a1509279
1310812197a6
14775b3372d
1545083603c
hex296554a3d

11112106557 has 16 divisors (see below), whose sum is σ = 14968090368. Its totient is φ = 7332148800.

The previous prime is 11112106543. The next prime is 11112106561. The reversal of 11112106557 is 75560121111.

11112106557 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11112106557 - 28 = 11112106301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11112106567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1284348 + ... + 1292970.

It is an arithmetic number, because the mean of its divisors is an integer number (935505648).

Almost surely, 211112106557 is an apocalyptic number.

It is an amenable number.

11112106557 is a deficient number, since it is larger than the sum of its proper divisors (3855983811).

11112106557 is a wasteful number, since it uses less digits than its factorization.

11112106557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12980.

The product of its (nonzero) digits is 2100, while the sum is 30.

Adding to 11112106557 its reverse (75560121111), we get a palindrome (86672227668).

The spelling of 11112106557 in words is "eleven billion, one hundred twelve million, one hundred six thousand, five hundred fifty-seven".

Divisors: 1 3 101 303 4253 8623 12759 25869 429553 870923 1288659 2612769 36673619 110020857 3704035519 11112106557