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11224568889 = 328573145477
BaseRepresentation
bin10100111010000100…
…10101010000111001
31001222021000011211200
422131002111100321
5140441442201024
65053445244413
7545104155432
oct123502252071
931867004750
1011224568889
11483aa81816
122213103709
13109b604851
14786a4a489
1545a64d2c9
hex29d095439

11224568889 has 12 divisors (see below), whose sum is σ = 16215268836. Its totient is φ = 7482121632.

The previous prime is 11224568867. The next prime is 11224568909. The reversal of 11224568889 is 98886542211.

11224568889 is a `hidden beast` number, since 11 + 22 + 456 + 88 + 89 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2744921664 + 8479647225 = 52392^2 + 92085^2 .

It is not a de Polignac number, because 11224568889 - 25 = 11224568857 is a prime.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (11224568809) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4419 + ... + 149895.

It is an arithmetic number, because the mean of its divisors is an integer number (1351272403).

Almost surely, 211224568889 is an apocalyptic number.

It is an amenable number.

11224568889 is a deficient number, since it is larger than the sum of its proper divisors (4990699947).

11224568889 is a wasteful number, since it uses less digits than its factorization.

11224568889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154056 (or 154053 counting only the distinct ones).

The product of its digits is 2211840, while the sum is 54.

The spelling of 11224568889 in words is "eleven billion, two hundred twenty-four million, five hundred sixty-eight thousand, eight hundred eighty-nine".

Divisors: 1 3 9 8573 25719 77157 145477 436431 1309293 1247174321 3741522963 11224568889