Base | Representation |
---|---|
bin | 10010100111100011111011… |
… | …010110000111000000000001 |
3 | 101201220222120001100200010101 |
4 | 102213203323112013000001 |
5 | 41213034323143024001 |
6 | 450052425352202401 |
7 | 23150612543000056 |
oct | 2247437326070001 |
9 | 351828501320111 |
10 | 81883473408001 |
11 | 240aa64a04a731 |
12 | 9225695699401 |
13 | 368c7699c7b25 |
14 | 163127753702d |
15 | 96ee9c868a01 |
hex | 4a78fb587001 |
81883473408001 has 8 divisors (see below), whose sum is σ = 86700308930784. Its totient is φ = 77066655731520.
The previous prime is 81883473407987. The next prime is 81883473408007. The reversal of 81883473408001 is 10080437438818.
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 81883473408001 - 219 = 81883472883713 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (81883473408007) 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, 5638086 + ... + 13984096.
It is an arithmetic number, because the mean of its divisors is an integer number (10837538616348).
Almost surely, 281883473408001 is an apocalyptic number.
It is an amenable number.
81883473408001 is a deficient number, since it is larger than the sum of its proper divisors (4816835522783).
81883473408001 is a wasteful number, since it uses less digits than its factorization.
81883473408001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8923151.
The product of its (nonzero) digits is 4128768, while the sum is 55.
The spelling of 81883473408001 in words is "eighty-one trillion, eight hundred eighty-three billion, four hundred seventy-three million, four hundred eight thousand, one".
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