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11112213102 = 2347154925439
BaseRepresentation
bin10100101100101011…
…01110101001101110
31001200102120220200020
422112111232221232
5140224211304402
65034353143010
7542241152514
oct122625565156
931612526606
1011112213102
1147926111a1
1221a155aa66
131081256133
14775b604b4
154508578bc
hex29656ea6e

11112213102 has 32 divisors (see below), whose sum is σ = 22712832000. Its totient is φ = 3622778208.

The previous prime is 11112213083. The next prime is 11112213131. The reversal of 11112213102 is 20131221111.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 424099 + ... + 449537.

It is an arithmetic number, because the mean of its divisors is an integer number (709776000).

Almost surely, 211112213102 is an apocalyptic number.

11112213102 is an abundant number, since it is smaller than the sum of its proper divisors (11600618898).

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

11112213102 is a wasteful number, since it uses less digits than its factorization.

11112213102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27040.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 11112213102 its reverse (20131221111), we get a palindrome (31243434213).

The spelling of 11112213102 in words is "eleven billion, one hundred twelve million, two hundred thirteen thousand, one hundred two".

Divisors: 1 2 3 6 47 94 141 282 1549 3098 4647 9294 25439 50878 72803 76317 145606 152634 218409 436818 1195633 2391266 3586899 7173798 39405011 78810022 118215033 236430066 1852035517 3704071034 5556106551 11112213102