Base | Representation |
---|---|
bin | 11110010001110110000… |
… | …110011011100111010001 |
3 | 21100220202201212201222101 |
4 | 132101312012123213101 |
5 | 233042331331144341 |
6 | 4231514210440401 |
7 | 303220546341301 |
oct | 36216606334721 |
9 | 7326681781871 |
10 | 2080745568721 |
11 | 7324916a0766 |
12 | 297319593101 |
13 | 1212a0ca19c1 |
14 | 729cc665601 |
15 | 391d1b70831 |
hex | 1e47619b9d1 |
2080745568721 has 8 divisors (see below), whose sum is σ = 2085301333440. Its totient is φ = 2076190233168.
The previous prime is 2080745568689. The next prime is 2080745568757. The reversal of 2080745568721 is 1278655470802.
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 2080745568721 - 25 = 2080745568689 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2080745568221) 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, 10812340 + ... + 11003098.
It is an arithmetic number, because the mean of its divisors is an integer number (260662666680).
Almost surely, 22080745568721 is an apocalyptic number.
It is an amenable number.
2080745568721 is a deficient number, since it is larger than the sum of its proper divisors (4555764719).
2080745568721 is a wasteful number, since it uses less digits than its factorization.
2080745568721 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 214583.
The product of its (nonzero) digits is 7526400, while the sum is 55.
The spelling of 2080745568721 in words is "two trillion, eighty billion, seven hundred forty-five million, five hundred sixty-eight thousand, seven hundred twenty-one".
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