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11102303212 = 227112131913267
BaseRepresentation
bin10100101011011111…
…11011001111101100
31001122201221102212021
422111233323033230
5140214142200322
65033400515524
7542061006640
oct122557731754
931581842767
1011102303212
114787a62800
12219a17bba4
13107c1965b0
14774700c20
1544ea4b4c7
hex295bfb3ec

11102303212 has 144 divisors (see below), whose sum is σ = 27669617920. Its totient is φ = 3782401920.

The previous prime is 11102303183. The next prime is 11102303221. The reversal of 11102303212 is 21230320111.

It is a super-2 number, since 2×111023032122 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 830203 + ... + 843469.

Almost surely, 211102303212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11102303212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13834808960).

11102303212 is an abundant number, since it is smaller than the sum of its proper divisors (16567314708).

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

11102303212 is a wasteful number, since it uses less digits than its factorization.

11102303212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13332 (or 13319 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 11102303212 its reverse (21230320111), we get a palindrome (32332623323).

The spelling of 11102303212 in words is "eleven billion, one hundred two million, three hundred three thousand, two hundred twelve".

Divisors: 1 2 4 7 11 13 14 19 22 26 28 38 44 52 76 77 91 121 133 143 154 182 209 242 247 266 286 308 364 418 484 494 532 572 836 847 988 1001 1463 1573 1694 1729 2002 2299 2717 2926 3146 3388 3458 4004 4598 5434 5852 6292 6916 9196 10868 11011 13267 16093 19019 22022 26534 29887 32186 38038 44044 53068 59774 64372 76076 92869 119548 145937 172471 185738 209209 252073 291874 344942 371476 418418 504146 583748 689884 836836 1008292 1021559 1207297 1605307 1764511 1897181 2043118 2414594 2772803 3210614 3276949 3529022 3794362 4086236 4829188 5545606 6421228 6553898 7058044 7588724 11091212 11237149 13107796 13280267 19409621 20868991 22474298 22938643 26560534 30500833 36046439 38819242 41737982 44948596 45877286 53121068 61001666 72092878 77638484 83475964 91754572 122003332 144185756 146082937 213505831 252325073 292165874 396510829 427011662 504650146 584331748 793021658 854023324 1009300292 1586043316 2775575803 5551151606 11102303212