Base | Representation |
---|---|
bin | 11111001110000001… |
… | …11100011110011001 |
3 | 1121021002012002111021 |
4 | 33213000330132121 |
5 | 233311213431424 |
6 | 11411051402441 |
7 | 1132226325121 |
oct | 174700743631 |
9 | 47232162437 |
10 | 16760686489 |
11 | 7120a74918 |
12 | 32b9153421 |
13 | 1771552b91 |
14 | b4ddc5c81 |
15 | 6816a44e4 |
hex | 3e703c799 |
16760686489 has 2 divisors, whose sum is σ = 16760686490. Its totient is φ = 16760686488.
The previous prime is 16760686487. The next prime is 16760686511. The reversal of 16760686489 is 98468606761.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 16664744464 + 95942025 = 129092^2 + 9795^2 .
It is a cyclic number.
It is not a de Polignac number, because 16760686489 - 21 = 16760686487 is a prime.
It is a super-2 number, since 2×167606864892 (a number of 21 digits) contains 22 as substring.
Together with 16760686487, it forms a pair of twin primes.
It is not a weakly prime, because it can be changed into another prime (16760686487) 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 as a sum of consecutive naturals, namely, 8380343244 + 8380343245.
It is an arithmetic number, because the mean of its divisors is an integer number (8380343245).
Almost surely, 216760686489 is an apocalyptic number.
It is an amenable number.
16760686489 is a deficient number, since it is larger than the sum of its proper divisors (1).
16760686489 is an equidigital number, since it uses as much as digits as its factorization.
16760686489 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 20901888, while the sum is 61.
The spelling of 16760686489 in words is "sixteen billion, seven hundred sixty million, six hundred eighty-six thousand, four hundred eighty-nine".
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