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1111233412 = 221132458481
BaseRepresentation
bin100001000111100…
…0001001110000100
32212102222111200001
41002033001032010
54233433432122
6302133331044
736352220362
oct10217011604
92772874601
101111233412
11520298123
12270196a84
131492b4a83
14a7824632
1567854527
hex423c1384

1111233412 has 12 divisors (see below), whose sum is σ = 1961868636. Its totient is φ = 550699520.

The previous prime is 1111233379. The next prime is 1111233419. The reversal of 1111233412 is 2143321111.

It can be written as a sum of positive squares in 2 ways, for example, as 69622336 + 1041611076 = 8344^2 + 32274^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1111233412.

It is not an unprimeable number, because it can be changed into a prime (1111233419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1228789 + ... + 1229692.

It is an arithmetic number, because the mean of its divisors is an integer number (163489053).

Almost surely, 21111233412 is an apocalyptic number.

It is an amenable number.

1111233412 is a deficient number, since it is larger than the sum of its proper divisors (850635224).

1111233412 is a wasteful number, since it uses less digits than its factorization.

1111233412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2458598 (or 2458596 counting only the distinct ones).

The product of its digits is 144, while the sum is 19.

The square root of 1111233412 is about 33335.1677961879. The cubic root of 1111233412 is about 1035.7821689868.

Adding to 1111233412 its reverse (2143321111), we get a palindrome (3254554523).

The spelling of 1111233412 in words is "one billion, one hundred eleven million, two hundred thirty-three thousand, four hundred twelve".

Divisors: 1 2 4 113 226 452 2458481 4916962 9833924 277808353 555616706 1111233412