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212021123132 = 227131972956729
BaseRepresentation
bin1100010101110101110…
…0011001100000111100
3202021021010011000100002
43011131130121200330
511433204401420012
6241222352253432
721214036545140
oct3053534314074
9667233130302
10212021123132
1181a1043aa05
1235111541278
1316cbb96b3a0
14a39483b220
1557ad9b87c2
hex315d71983c

212021123132 has 48 divisors (see below), whose sum is σ = 458979111360. Its totient is φ = 83450691072.

The previous prime is 212021123087. The next prime is 212021123183. The reversal of 212021123132 is 231321120212.

212021123132 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1406657 + ... + 1550072.

It is an arithmetic number, because the mean of its divisors is an integer number (9562064820).

Almost surely, 2212021123132 is an apocalyptic number.

It is an amenable number.

212021123132 is an abundant number, since it is smaller than the sum of its proper divisors (246957988228).

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

212021123132 is a wasteful number, since it uses less digits than its factorization.

212021123132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2956950 (or 2956948 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 212021123132 its reverse (231321120212), we get a palindrome (443342243344).

The spelling of 212021123132 in words is "two hundred twelve billion, twenty-one million, one hundred twenty-three thousand, one hundred thirty-two".

Divisors: 1 2 4 7 13 14 26 28 52 91 182 197 364 394 788 1379 2561 2758 5122 5516 10244 17927 35854 71708 2956729 5913458 11826916 20697103 38437477 41394206 76874954 82788412 153749908 269062339 538124678 582475613 1076249356 1164951226 2329902452 4077329291 7572182969 8154658582 15144365938 16309317164 30288731876 53005280783 106010561566 212021123132