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213213200112 = 243211134604293
BaseRepresentation
bin1100011010010001111…
…1110011111011110000
3202101100012020210112100
43012210133303323300
511443130034400422
6241540534500400
721255423204213
oct3064437637360
9671305223470
10213213200112
1182472324aa0
12353a4804700
131714b91a493
14a468ca777a
15582d48b7ac
hex31a47f3ef0

213213200112 has 60 divisors (see below), whose sum is σ = 650946365784. Its totient is φ = 64610060160.

The previous prime is 213213200069. The next prime is 213213200119. The reversal of 213213200112 is 211002312312.

213213200112 is a `hidden beast` number, since 21 + 321 + 320 + 0 + 1 + 1 + 2 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213213200119) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 67300563 + ... + 67303730.

Almost surely, 2213213200112 is an apocalyptic number.

213213200112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

213213200112 is an abundant number, since it is smaller than the sum of its proper divisors (437733165672).

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

213213200112 is a wasteful number, since it uses less digits than its factorization.

213213200112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134604318 (or 134604309 counting only the distinct ones).

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

Adding to 213213200112 its reverse (211002312312), we get a palindrome (424215512424).

The spelling of 213213200112 in words is "two hundred thirteen billion, two hundred thirteen million, two hundred thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 9 11 12 16 18 22 24 33 36 44 48 66 72 88 99 132 144 176 198 264 396 528 792 1584 134604293 269208586 403812879 538417172 807625758 1076834344 1211438637 1480647223 1615251516 2153668688 2422877274 2961294446 3230503032 4441941669 4845754548 5922588892 6461006064 8883883338 9691509096 11845177784 13325825007 17767766676 19383018192 23690355568 26651650014 35535533352 53303300028 71071066704 106606600056 213213200112