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11210233212 = 223223372771321
BaseRepresentation
bin10100111000010111…
…01001010101111100
31001221021000211222200
422130023221111330
5140424304430322
65052214111500
7544541260443
oct123413512574
931837024880
1011210233212
114832980152
12220a34b590
1310986556b9
14784b97d5a
1545926a8ac
hex29c2e957c

11210233212 has 144 divisors (see below), whose sum is σ = 30500887872. Its totient is φ = 3462497280.

The previous prime is 11210233141. The next prime is 11210233259. The reversal of 11210233212 is 21233201211.

11210233212 is a `hidden beast` number, since 11 + 210 + 233 + 212 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

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, 8485512 + ... + 8486832.

Almost surely, 211210233212 is an apocalyptic number.

11210233212 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 11210233212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15250443936).

11210233212 is an abundant number, since it is smaller than the sum of its proper divisors (19290654660).

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

11210233212 is a wasteful number, since it uses less digits than its factorization.

11210233212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1668 (or 1663 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 11210233212 its reverse (21233201211), we get a palindrome (32443434423).

The spelling of 11210233212 in words is "eleven billion, two hundred ten million, two hundred thirty-three thousand, two hundred twelve".

Divisors: 1 2 3 4 6 9 12 18 23 36 37 46 69 74 92 111 138 148 207 222 276 277 333 414 444 554 666 828 831 851 1108 1321 1332 1662 1702 2493 2553 2642 3324 3404 3963 4986 5106 5284 6371 7659 7926 9972 10212 10249 11889 12742 15318 15852 19113 20498 23778 25484 30383 30636 30747 38226 40996 47556 48877 57339 60766 61494 76452 91149 92241 97754 114678 121532 122988 146631 182298 184482 195508 229356 235727 273447 293262 364596 365917 368964 439893 471454 546894 586524 707181 731834 879786 942908 1093788 1097751 1124171 1414362 1463668 1759572 2121543 2195502 2248342 2828724 3293253 3372513 4243086 4391004 4496684 6586506 6745026 8416091 8486172 10117539 13173012 13490052 13538929 16832182 20235078 25248273 27077858 33664364 40470156 40616787 50496546 54155716 75744819 81233574 100993092 121850361 151489638 162467148 243700722 302979276 311395367 487401444 622790734 934186101 1245581468 1868372202 2802558303 3736744404 5605116606 11210233212