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211011022212 = 223139743170263
BaseRepresentation
bin1100010010000100111…
…1001010110110000100
3202011122201110120100220
43010201033022312010
511424122310202322
6240534230304340
721150023044404
oct3044117126604
9664581416326
10211011022212
1181542248161
1234a8b1b80b0
1316b8a605733
14a2da620804
15574ee8e55c
hex31213cad84

211011022212 has 48 divisors (see below), whose sum is σ = 496571550720. Its totient is φ = 69736591008.

The previous prime is 211011022169. The next prime is 211011022219. The reversal of 211011022212 is 212220110112.

211011022212 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 211011022191 and 211011022200.

It is not an unprimeable number, because it can be changed into a prime (211011022219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1154193 + ... + 1324455.

It is an arithmetic number, because the mean of its divisors is an integer number (10345240640).

Almost surely, 2211011022212 is an apocalyptic number.

It is an amenable number.

211011022212 is an abundant number, since it is smaller than the sum of its proper divisors (285560528508).

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

211011022212 is a wasteful number, since it uses less digits than its factorization.

211011022212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171152 (or 171150 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 211011022212 its reverse (212220110112), we get a palindrome (423231132324).

The spelling of 211011022212 in words is "two hundred eleven billion, eleven million, twenty-two thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 139 278 417 556 743 834 1486 1668 2229 2972 4458 8916 103277 170263 206554 309831 340526 413108 510789 619662 681052 1021578 1239324 2043156 23666557 47333114 70999671 94666228 126505409 141999342 253010818 283998684 379516227 506021636 759032454 1518064908 17584251851 35168503702 52752755553 70337007404 105505511106 211011022212