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5680486161 = 3272372972
BaseRepresentation
bin1010100101001010…
…10101011100010001
3112122212211121002100
411102211111130101
543113201024121
62335400311013
7260524223100
oct52245253421
915585747070
105680486161
112455539369
121126472469
136c6b27c1c
143bc5da037
15233a72026
hex152955711

5680486161 has 81 divisors (see below), whose sum is σ = 9911874609. Its totient is φ = 3125703168.

The previous prime is 5680486121. The next prime is 5680486171. The reversal of 5680486161 is 1616840865.

The square root of 5680486161 is 75369.

It is a perfect power (a square), and thus also a powerful number.

5680486161 is a `hidden beast` number, since 5 + 6 + 8 + 0 + 486 + 161 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 877996161 + 4802490000 = 29631^2 + 69300^2 .

It is not a de Polignac number, because 5680486161 - 27 = 5680486033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5680486121) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 58561665 + ... + 58561761.

Almost surely, 25680486161 is an apocalyptic number.

5680486161 is the 75369-th square number.

5680486161 is the 37685-th centered octagonal number.

It is an amenable number.

5680486161 is a deficient number, since it is larger than the sum of its proper divisors (4231388448).

5680486161 is an equidigital number, since it uses as much as digits as its factorization.

5680486161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288 (or 144 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The cubic root of 5680486161 is about 1784.2751843839.

The spelling of 5680486161 in words is "five billion, six hundred eighty million, four hundred eighty-six thousand, one hundred sixty-one".

Divisors: 1 3 7 9 21 37 49 63 97 111 147 259 291 333 441 679 777 873 1369 1813 2037 2331 3589 4107 4753 5439 6111 9409 9583 10767 12321 14259 16317 25123 28227 28749 32301 42777 65863 67081 75369 84681 86247 132793 175861 197589 201243 226107 348133 398379 461041 527583 592767 603729 929551 1044399 1195137 1383123 1582749 2436931 2788653 3133197 4149369 6506857 7310793 8365959 12880921 17058517 19520571 21932379 38642763 51175551 58561713 90166447 115928289 153526653 270499341 631165129 811498023 1893495387 5680486161