Base | Representation |
---|---|
bin | 10010101001000011… |
… | …01111111111110001 |
3 | 221211110221112110012 |
4 | 21110201233333301 |
5 | 130444031134311 |
6 | 4333031344305 |
7 | 503003114024 |
oct | 112441577761 |
9 | 27743845405 |
10 | 10008068081 |
11 | 4276325750 |
12 | 1b33822095 |
13 | c3658389b |
14 | 6ad2631bb |
15 | 3d895378b |
hex | 25486fff1 |
10008068081 has 8 divisors (see below), whose sum is σ = 10922491200. Its totient is φ = 9094411440.
The previous prime is 10008068071. The next prime is 10008068101. The reversal of 10008068081 is 18086080001.
It is a happy number.
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 10008068081 - 218 = 10007805937 is a prime.
It is a super-2 number, since 2×100080680812 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (10008068041) 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, 164141 + ... + 216698.
It is an arithmetic number, because the mean of its divisors is an integer number (1365311400).
Almost surely, 210008068081 is an apocalyptic number.
10008068081 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
10008068081 is a deficient number, since it is larger than the sum of its proper divisors (914423119).
10008068081 is a wasteful number, since it uses less digits than its factorization.
10008068081 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 383239.
The product of its (nonzero) digits is 3072, while the sum is 32.
The spelling of 10008068081 in words is "ten billion, eight million, sixty-eight thousand, eighty-one".
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