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11113210212 = 223133112231879
BaseRepresentation
bin10100101100110011…
…00010000101100100
31001200111110120110020
422112121202011210
5140224440211322
65034430355140
7542252504526
oct122631420544
931614416406
1011113210212
114793132355
1221a195bab0
131081514c40
14775d3da16
154509a305c
hex296662164

11113210212 has 96 divisors (see below), whose sum is σ = 28865249280. Its totient is φ = 3304679040.

The previous prime is 11113210201. The next prime is 11113210249. The reversal of 11113210212 is 21201231111.

It is a super-2 number, since 2×111132102122 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11113210191 and 11113210200.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5913489 + ... + 5915367.

It is an arithmetic number, because the mean of its divisors is an integer number (300679680).

Almost surely, 211113210212 is an apocalyptic number.

11113210212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11113210212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14432624640).

11113210212 is an abundant number, since it is smaller than the sum of its proper divisors (17752039068).

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

11113210212 is a wasteful number, since it uses less digits than its factorization.

11113210212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3153 (or 3151 counting only the distinct ones).

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

Adding to 11113210212 its reverse (21201231111), we get a palindrome (32314441323).

The spelling of 11113210212 in words is "eleven billion, one hundred thirteen million, two hundred ten thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 13 26 31 39 52 62 78 93 124 156 186 372 403 806 1209 1223 1612 1879 2418 2446 3669 3758 4836 4892 5637 7338 7516 11274 14676 15899 22548 24427 31798 37913 47697 48854 58249 63596 73281 75826 95394 97708 113739 116498 146562 151652 174747 190788 227478 232996 293124 349494 454956 492869 698988 757237 985738 1478607 1514474 1971476 2271711 2298017 2957214 3028948 4543422 4596034 5914428 6894051 9086844 9192068 13788102 27576204 29874221 59748442 71238527 89622663 119496884 142477054 179245326 213715581 284954108 358490652 427431162 854862324 926100851 1852201702 2778302553 3704403404 5556605106 11113210212