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210221112232 = 23157472935393
BaseRepresentation
bin1100001111001000100…
…1111001101110101000
3202002121200002222120201
43003302021321232220
511421013101042412
6240324012001544
721121321654015
oct3036211715650
9662550088521
10210221112232
118117737909a
12348aa7602b4
1316a92a76391
14a26376070c
15570595be57
hex30f2279ba8

210221112232 has 32 divisors (see below), whose sum is σ = 396770279400. Its totient is φ = 104416026624.

The previous prime is 210221112221. The next prime is 210221112253. The reversal of 210221112232 is 232211122012.

210221112232 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 168029487396 + 42191624836 = 409914^2 + 205406^2 .

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 7 ways as a sum of consecutive naturals, for example, 5921928 + ... + 5957320.

Almost surely, 2210221112232 is an apocalyptic number.

It is an amenable number.

210221112232 is a deficient number, since it is larger than the sum of its proper divisors (186549167168).

210221112232 is a wasteful number, since it uses less digits than its factorization.

210221112232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40285 (or 40281 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 210221112232 its reverse (232211122012), we get a palindrome (442432234244).

The spelling of 210221112232 in words is "two hundred ten billion, two hundred twenty-one million, one hundred twelve thousand, two hundred thirty-two".

Divisors: 1 2 4 8 157 314 628 1256 4729 9458 18916 35393 37832 70786 141572 283144 742453 1484906 2969812 5556701 5939624 11113402 22226804 44453608 167373497 334746994 669493988 1338987976 26277639029 52555278058 105110556116 210221112232