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212021202352 = 2479167738293
BaseRepresentation
bin1100010101110101110…
…0101100110110110000
3202021021010022001000011
43011131130230312300
511433204411433402
6241222354104304
721214040325121
oct3053534546660
9667233261004
10212021202352
1181a10494483
123511157b094
1316cbb99846b
14a39485c048
1557ad9d1ed7
hex315d72cdb0

212021202352 has 20 divisors (see below), whose sum is σ = 415990969120. Its totient is φ = 104668694208.

The previous prime is 212021202299. The next prime is 212021202353. The reversal of 212021202352 is 253202120212.

It is not an unprimeable number, because it can be changed into a prime (212021202353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83867883 + ... + 83870410.

It is an arithmetic number, because the mean of its divisors is an integer number (20799548456).

Almost surely, 2212021202352 is an apocalyptic number.

It is an amenable number.

212021202352 is a deficient number, since it is larger than the sum of its proper divisors (203969766768).

212021202352 is a wasteful number, since it uses less digits than its factorization.

212021202352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167738380 (or 167738374 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 212021202352 its reverse (253202120212), we get a palindrome (465223322564).

The spelling of 212021202352 in words is "two hundred twelve billion, twenty-one million, two hundred two thousand, three hundred fifty-two".

Divisors: 1 2 4 8 16 79 158 316 632 1264 167738293 335476586 670953172 1341906344 2683812688 13251325147 26502650294 53005300588 106010601176 212021202352