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212020112228 = 22538954720543
BaseRepresentation
bin1100010101110101100…
…0100010101101100100
3202021021001020122122012
43011131120202231210
511433204122042403
6241222314453352
721214025134661
oct3053530425544
9667231218565
10212020112228
1181a0a90a451
1235111134258
1316cbb6a6212
14a394656a68
1557ad868ed8
hex315d622b64

212020112228 has 48 divisors (see below), whose sum is σ = 383000970240. Its totient is φ = 102648209664.

The previous prime is 212020112221. The next prime is 212020112233. The reversal of 212020112228 is 822211020212.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (212020112221) 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, 10310525 + ... + 10331067.

It is an arithmetic number, because the mean of its divisors is an integer number (7979186880).

Almost surely, 2212020112228 is an apocalyptic number.

It is an amenable number.

212020112228 is a deficient number, since it is larger than the sum of its proper divisors (170980858012).

212020112228 is a wasteful number, since it uses less digits than its factorization.

212020112228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21236 (or 21234 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 23.

The spelling of 212020112228 in words is "two hundred twelve billion, twenty million, one hundred twelve thousand, two hundred twenty-eight".

Divisors: 1 2 4 53 89 106 178 212 356 547 1094 2188 4717 9434 18868 20543 28991 41086 48683 57982 82172 97366 115964 194732 1088779 1828327 2177558 2580199 3656654 4355116 5160398 7313308 10320796 11237021 22474042 44948084 96901331 193802662 387605324 595562113 1000094869 1191124226 2000189738 2382248452 4000379476 53005028057 106010056114 212020112228