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168228122732 = 22437912380639
BaseRepresentation
bin1001110010101100101…
…1010111000001101100
3121002020002220002110022
42130223023113001230
510224012344411412
6205141040301312
715103564310135
oct2345313270154
9532202802408
10168228122732
116538843159a
122872b311838
1312b2cb326b7
1481dc600c8c
154598ee9a72
hex272b2d706c

168228122732 has 24 divisors (see below), whose sum is σ = 305058969600. Its totient is φ = 81117940176.

The previous prime is 168228122731. The next prime is 168228122743. The reversal of 168228122732 is 237221822861.

168228122732 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (168228122731) by changing a digit.

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, 6176732 + ... + 6203907.

It is an arithmetic number, because the mean of its divisors is an integer number (12710790400).

Almost surely, 2168228122732 is an apocalyptic number.

It is an amenable number.

168228122732 is a deficient number, since it is larger than the sum of its proper divisors (136830846868).

168228122732 is a wasteful number, since it uses less digits than its factorization.

168228122732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12380765 (or 12380763 counting only the distinct ones).

The product of its digits is 258048, while the sum is 44.

The spelling of 168228122732 in words is "one hundred sixty-eight billion, two hundred twenty-eight million, one hundred twenty-two thousand, seven hundred thirty-two".

Divisors: 1 2 4 43 79 86 158 172 316 3397 6794 13588 12380639 24761278 49522556 532367477 978070481 1064734954 1956140962 2129469908 3912281924 42057030683 84114061366 168228122732