Base | Representation |
---|---|
bin | 10010110100101100… |
… | …01111000100001001 |
3 | 222002021200101222011 |
4 | 21122112033010021 |
5 | 131144030303110 |
6 | 4350440255521 |
7 | 505300066561 |
oct | 113226170411 |
9 | 28067611864 |
10 | 10105712905 |
11 | 4316458752 |
12 | 1b604715a1 |
13 | c508813a2 |
14 | 6bc1ddda1 |
15 | 3e22e048a |
hex | 25a58f109 |
10105712905 has 8 divisors (see below), whose sum is σ = 12240191232. Its totient is φ = 8009013168.
The previous prime is 10105712867. The next prime is 10105712921. The reversal of 10105712905 is 50921750101.
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 10105712905 - 27 = 10105712777 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9444057 + ... + 9445126.
It is an arithmetic number, because the mean of its divisors is an integer number (1530023904).
Almost surely, 210105712905 is an apocalyptic number.
It is an amenable number.
10105712905 is a deficient number, since it is larger than the sum of its proper divisors (2134478327).
10105712905 is a wasteful number, since it uses less digits than its factorization.
10105712905 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18889295.
The product of its (nonzero) digits is 3150, while the sum is 31.
The spelling of 10105712905 in words is "ten billion, one hundred five million, seven hundred twelve thousand, nine hundred five".
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