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168259630212 = 22335329395463
BaseRepresentation
bin1001110010110100001…
…1100011010010000100
3121002022022011211121000
42130231003203102010
510224043431131322
6205144123453300
715104426154522
oct2345503432204
9532268154530
10168259630212
11653a41a1633
1228739987230
1312b3651488b
148202883312
15459bb703ac
hex272d0e3484

168259630212 has 48 divisors (see below), whose sum is σ = 444459415680. Its totient is φ = 55028304864.

The previous prime is 168259630199. The next prime is 168259630289. The reversal of 168259630212 is 212036952861.

168259630212 is a `hidden beast` number, since 1 + 6 + 8 + 2 + 5 + 9 + 630 + 2 + 1 + 2 = 666.

168259630212 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1682596302122 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14692008 + ... + 14703455.

It is an arithmetic number, because the mean of its divisors is an integer number (9259571160).

Almost surely, 2168259630212 is an apocalyptic number.

168259630212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

168259630212 is an abundant number, since it is smaller than the sum of its proper divisors (276199785468).

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

168259630212 is a wasteful number, since it uses less digits than its factorization.

168259630212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29395529 (or 29395521 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The spelling of 168259630212 in words is "one hundred sixty-eight billion, two hundred fifty-nine million, six hundred thirty thousand, two hundred twelve".

Divisors: 1 2 3 4 6 9 12 18 27 36 53 54 106 108 159 212 318 477 636 954 1431 1908 2862 5724 29395463 58790926 88186389 117581852 176372778 264559167 352745556 529118334 793677501 1058236668 1557959539 1587355002 3115919078 3174710004 4673878617 6231838156 9347757234 14021635851 18695514468 28043271702 42064907553 56086543404 84129815106 168259630212