Base | Representation |
---|---|
bin | 10111010011101100101… |
… | …000000100011000101101 |
3 | 12200010021001220122222101 |
4 | 113103230220010120231 |
5 | 202220234111321223 |
6 | 3223450525415101 |
7 | 223501364222023 |
oct | 27235450043055 |
9 | 5603231818871 |
10 | 1601697760813 |
11 | 5683046a22a7 |
12 | 21a50540a491 |
13 | b806889a337 |
14 | 57745d8c713 |
15 | 2b9e56944ad |
hex | 174eca0462d |
1601697760813 has 2 divisors, whose sum is σ = 1601697760814. Its totient is φ = 1601697760812.
The previous prime is 1601697760811. The next prime is 1601697760823. The reversal of 1601697760813 is 3180677961061.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 1564705777924 + 36991982889 = 1250882^2 + 192333^2 .
It is a cyclic number.
It is not a de Polignac number, because 1601697760813 - 21 = 1601697760811 is a prime.
Together with 1601697760811, it forms a pair of twin primes.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1601697760811) 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, 800848880406 + 800848880407.
It is an arithmetic number, because the mean of its divisors is an integer number (800848880407).
Almost surely, 21601697760813 is an apocalyptic number.
It is an amenable number.
1601697760813 is a deficient number, since it is larger than the sum of its proper divisors (1).
1601697760813 is an equidigital number, since it uses as much as digits as its factorization.
1601697760813 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 2286144, while the sum is 55.
The spelling of 1601697760813 in words is "one trillion, six hundred one billion, six hundred ninety-seven million, seven hundred sixty thousand, eight hundred thirteen".
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