Base | Representation |
---|---|
bin | 100101110100101111… |
… | …1111000011111000011 |
3 | 21202122211200001012010 |
4 | 1023221133320133003 |
5 | 2312323034013413 |
6 | 101152021304003 |
7 | 5603606631216 |
oct | 1135137703703 |
9 | 252584601163 |
10 | 81226860483 |
11 | 314a249956a |
12 | 138aa865003 |
13 | 7876372272 |
14 | 3d07a9b77d |
15 | 21a6062dc3 |
hex | 12e97f87c3 |
81226860483 has 8 divisors (see below), whose sum is σ = 108304523008. Its totient is φ = 54150219144.
The previous prime is 81226860439. The next prime is 81226860493. The reversal of 81226860483 is 38406862218.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 81226860483 - 29 = 81226859971 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (81226860493) 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, 44935 + ... + 405552.
It is an arithmetic number, because the mean of its divisors is an integer number (13538065376).
Almost surely, 281226860483 is an apocalyptic number.
81226860483 is a deficient number, since it is larger than the sum of its proper divisors (27077662525).
81226860483 is a wasteful number, since it uses less digits than its factorization.
81226860483 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 510593.
The product of its (nonzero) digits is 884736, while the sum is 48.
The spelling of 81226860483 in words is "eighty-one billion, two hundred twenty-six million, eight hundred sixty thousand, four hundred eighty-three".
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