Base | Representation |
---|---|
bin | 11100101001000000111… |
… | …001011011111100101111 |
3 | 20222011020010002110002222 |
4 | 130221000321123330233 |
5 | 224221320024220304 |
6 | 4104100545505555 |
7 | 262124300303021 |
oct | 34510071337457 |
9 | 6864203073088 |
10 | 1968183820079 |
11 | 69977a501a14 |
12 | 2795449422bb |
13 | 1137a2b357c9 |
14 | 6b39115a011 |
15 | 362e4c014be |
hex | 1ca40e5bf2f |
1968183820079 has 8 divisors (see below), whose sum is σ = 1971281541840. Its totient is φ = 1965086355456.
The previous prime is 1968183820069. The next prime is 1968183820117. The reversal of 1968183820079 is 9700283818691.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1968183820079 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1968183820019) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20290607 + ... + 20387375.
It is an arithmetic number, because the mean of its divisors is an integer number (246410192730).
Almost surely, 21968183820079 is an apocalyptic number.
1968183820079 is a deficient number, since it is larger than the sum of its proper divisors (3097721761).
1968183820079 is an equidigital number, since it uses as much as digits as its factorization.
1968183820079 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 128569.
The product of its (nonzero) digits is 10450944, while the sum is 62.
The spelling of 1968183820079 in words is "one trillion, nine hundred sixty-eight billion, one hundred eighty-three million, eight hundred twenty thousand, seventy-nine".
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