Base | Representation |
---|---|
bin | 10010111110110110… |
… | …01110000100000101 |
3 | 222022012222122101100 |
4 | 21133123032010011 |
5 | 131332332434410 |
6 | 4403122250313 |
7 | 510353161026 |
oct | 113733160405 |
9 | 28265878340 |
10 | 10190905605 |
11 | 435a556241 |
12 | 1b84ab6999 |
13 | c6540c17a |
14 | 6c9658c4d |
15 | 3e9a1c8c0 |
hex | 25f6ce105 |
10190905605 has 24 divisors (see below), whose sum is σ = 17671286880. Its totient is φ = 5432980320.
The previous prime is 10190905589. The next prime is 10190905609. The reversal of 10190905605 is 50650909101.
10190905605 is a `hidden beast` number, since 1 + 0 + 1 + 9 + 0 + 90 + 560 + 5 = 666.
10190905605 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 10190905605 - 24 = 10190905589 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 10190905605.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10190905609) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 72150 + ... + 159960.
It is an arithmetic number, because the mean of its divisors is an integer number (736303620).
Almost surely, 210190905605 is an apocalyptic number.
10190905605 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
10190905605 is a deficient number, since it is larger than the sum of its proper divisors (7480381275).
10190905605 is a wasteful number, since it uses less digits than its factorization.
10190905605 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 90401 (or 90398 counting only the distinct ones).
The product of its (nonzero) digits is 12150, while the sum is 36.
The spelling of 10190905605 in words is "ten billion, one hundred ninety million, nine hundred five thousand, six hundred five".
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