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1681483167 = 327213377927
BaseRepresentation
bin110010000111001…
…0110010110011111
311100012000012021100
41210032112112133
511420424430132
6434504004143
756445241200
oct14416262637
94305005240
101681483167
11793176211
123ab160653
1320a495270
1411d4655a7
159c94737c
hex6439659f

1681483167 has 72 divisors (see below), whose sum is σ = 3125312736. Its totient is φ = 862856064.

The previous prime is 1681483157. The next prime is 1681483171. The reversal of 1681483167 is 7613841861.

1681483167 is a `hidden beast` number, since 1 + 6 + 8 + 1 + 483 + 167 = 666.

It is not a de Polignac number, because 1681483167 - 24 = 1681483151 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1681483127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 208158 + ... + 216084.

Almost surely, 21681483167 is an apocalyptic number.

1681483167 is a deficient number, since it is larger than the sum of its proper divisors (1443829569).

1681483167 is a wasteful number, since it uses less digits than its factorization.

1681483167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7997 (or 7987 counting only the distinct ones).

The product of its digits is 193536, while the sum is 45.

The square root of 1681483167 is about 41005.8918571466. The cubic root of 1681483167 is about 1189.1341221339.

The spelling of 1681483167 in words is "one billion, six hundred eighty-one million, four hundred eighty-three thousand, one hundred sixty-seven".

Divisors: 1 3 7 9 13 21 37 39 49 63 91 111 117 147 259 273 333 441 481 637 777 819 1443 1813 1911 2331 3367 4329 5439 5733 7927 10101 16317 23569 23781 30303 55489 70707 71343 103051 166467 212121 293299 309153 388423 499401 721357 879897 927459 1165269 2053093 2164071 2639691 3495807 3812887 5049499 6159279 6492213 11438661 14371651 15148497 18477837 26690209 34315983 43114953 45445491 80070627 129344859 186831463 240211881 560494389 1681483167