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11222344445 = 513213280881
BaseRepresentation
bin10100111001110011…
…10110001011111101
31001222002211011110212
422130321312023331
5140440410010240
65053325442205
7545046232244
oct123471661375
931862734425
1011222344445
1148397a2534
122212410365
13109b006200
1478662b95b
1545a35e165
hex29ce762fd

11222344445 has 12 divisors (see below), whose sum is σ = 14582408436. Its totient is φ = 8287269120.

The previous prime is 11222344429. The next prime is 11222344543. The reversal of 11222344445 is 54444322211.

It can be written as a sum of positive squares in 6 ways, for example, as 3157765636 + 8064578809 = 56194^2 + 89803^2 .

It is not a de Polignac number, because 11222344445 - 24 = 11222344429 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6639596 + ... + 6641285.

It is an arithmetic number, because the mean of its divisors is an integer number (1215200703).

Almost surely, 211222344445 is an apocalyptic number.

It is an amenable number.

11222344445 is a deficient number, since it is larger than the sum of its proper divisors (3360063991).

11222344445 is a wasteful number, since it uses less digits than its factorization.

11222344445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13280912 (or 13280899 counting only the distinct ones).

The product of its digits is 30720, while the sum is 32.

Adding to 11222344445 its reverse (54444322211), we get a palindrome (65666666656).

The spelling of 11222344445 in words is "eleven billion, two hundred twenty-two million, three hundred forty-four thousand, four hundred forty-five".

Divisors: 1 5 13 65 169 845 13280881 66404405 172651453 863257265 2244468889 11222344445