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11221442344 = 237201799347
BaseRepresentation
bin10100111001101100…
…11001111100101000
31001222001010100000201
422130312121330220
5140440142123334
65053254241544
7545035454230
oct123466317450
931861110021
1011221442344
1148392367a2
1222120562b4
13109aa7b718
14786474cc0
1545a231c14
hex29cd99f28

11221442344 has 32 divisors (see below), whose sum is σ = 24058111680. Its totient is φ = 4806756864.

The previous prime is 11221442333. The next prime is 11221442357. The reversal of 11221442344 is 44324412211.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63279 + ... + 162625.

It is an arithmetic number, because the mean of its divisors is an integer number (751815990).

Almost surely, 211221442344 is an apocalyptic number.

11221442344 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

11221442344 is an abundant number, since it is smaller than the sum of its proper divisors (12836669336).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11221442344 is a wasteful number, since it uses less digits than its factorization.

11221442344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101377 (or 101373 counting only the distinct ones).

The product of its digits is 6144, while the sum is 28.

Adding to 11221442344 its reverse (44324412211), we get a palindrome (55545854555).

The spelling of 11221442344 in words is "eleven billion, two hundred twenty-one million, four hundred forty-two thousand, three hundred forty-four".

Divisors: 1 2 4 7 8 14 28 56 2017 4034 8068 14119 16136 28238 56476 99347 112952 198694 397388 695429 794776 1390858 2781716 5563432 200382899 400765798 801531596 1402680293 1603063192 2805360586 5610721172 11221442344