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211030113222 = 232231920726539
BaseRepresentation
bin1100010010001001011…
…1111111101111000110
3202011201001101111022100
43010202113333233012
511424142202110342
6240540151412530
721150344236335
oct3044227775706
9664631344270
10211030113222
1181551aa7555
1234a95684146
1316b9155b1a6
14a2dcd8dd1c
1557519b0e4c
hex31225ffbc6

211030113222 has 48 divisors (see below), whose sum is σ = 477154379520. Its totient is φ = 67278925296.

The previous prime is 211030113187. The next prime is 211030113227. The reversal of 211030113222 is 222311030112.

211030113222 is a `hidden beast` number, since 211 + 0 + 301 + 132 + 22 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 211030113195 and 211030113204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211030113227) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7938429 + ... + 7964967.

It is an arithmetic number, because the mean of its divisors is an integer number (9940716240).

Almost surely, 2211030113222 is an apocalyptic number.

211030113222 is an abundant number, since it is smaller than the sum of its proper divisors (266124266298).

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

211030113222 is a wasteful number, since it uses less digits than its factorization.

211030113222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45777 (or 45774 counting only the distinct ones).

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

Adding to 211030113222 its reverse (222311030112), we get a palindrome (433341143334).

The spelling of 211030113222 in words is "two hundred eleven billion, thirty million, one hundred thirteen thousand, two hundred twenty-two".

Divisors: 1 2 3 6 9 18 23 46 69 138 207 414 19207 26539 38414 53078 57621 79617 115242 159234 172863 238851 345726 441761 477702 610397 883522 1220794 1325283 1831191 2650566 3662382 3975849 5493573 7951698 10987146 509734573 1019469146 1529203719 3058407438 4587611157 9175222314 11723895179 23447790358 35171685537 70343371074 105515056611 211030113222