Base | Representation |
---|---|
bin | 11000011101100101111… |
… | …000010110110100110011 |
3 | 12221201001200010110221201 |
4 | 120131211320112310303 |
5 | 210020233110010412 |
6 | 3324132041032031 |
7 | 232310526601255 |
oct | 30354570266463 |
9 | 5851050113851 |
10 | 1681041485107 |
11 | 598a20103766 |
12 | 231969485617 |
13 | c26a1a6181a |
14 | 5b5118d1cd5 |
15 | 2dadb22ae57 |
hex | 18765e16d33 |
1681041485107 has 8 divisors (see below), whose sum is σ = 1683057677552. Its totient is φ = 1679025520800.
The previous prime is 1681041485093. The next prime is 1681041485147. The reversal of 1681041485107 is 7015841401861.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1681041485107 - 215 = 1681041452339 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1681041485147) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18134857 + ... + 18227317.
It is an arithmetic number, because the mean of its divisors is an integer number (210382209694).
Almost surely, 21681041485107 is an apocalyptic number.
1681041485107 is a deficient number, since it is larger than the sum of its proper divisors (2016192445).
1681041485107 is an equidigital number, since it uses as much as digits as its factorization.
1681041485107 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 114069.
The product of its (nonzero) digits is 215040, while the sum is 46.
Adding to 1681041485107 its reverse (7015841401861), we get a palindrome (8696882886968).
The spelling of 1681041485107 in words is "one trillion, six hundred eighty-one billion, forty-one million, four hundred eighty-five thousand, one hundred seven".
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