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11223003212 = 223897212727
BaseRepresentation
bin10100111001111000…
…10111000001001100
31001222011001122010122
422130330113001030
5140441042100322
65053351524112
7545054644661
oct123474270114
931864048118
1011223003212
11483a102473
122212689638
13109b1a7005
1478675da68
1545a43e442
hex29cf1704c

11223003212 has 12 divisors (see below), whose sum is σ = 19690747440. Its totient is φ = 5597075376.

The previous prime is 11223003179. The next prime is 11223003217. The reversal of 11223003212 is 21230032211.

It is not an unprimeable number, because it can be changed into a prime (11223003217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3604808 + ... + 3607919.

It is an arithmetic number, because the mean of its divisors is an integer number (1640895620).

Almost surely, 211223003212 is an apocalyptic number.

It is an amenable number.

11223003212 is a deficient number, since it is larger than the sum of its proper divisors (8467744228).

11223003212 is a wasteful number, since it uses less digits than its factorization.

11223003212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7213120 (or 7213118 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 11223003212 its reverse (21230032211), we get a palindrome (32453035423).

The spelling of 11223003212 in words is "eleven billion, two hundred twenty-three million, three thousand, two hundred twelve".

Divisors: 1 2 4 389 778 1556 7212727 14425454 28850908 2805750803 5611501606 11223003212