Base | Representation |
---|---|
bin | 10010110100001110… |
… | …11101101111100101 |
3 | 222002000101200112102 |
4 | 21122013131233211 |
5 | 131142032401434 |
6 | 4350221301445 |
7 | 505222142051 |
oct | 113207355745 |
9 | 28060350472 |
10 | 10101840869 |
11 | 431425361a |
12 | 1b5b104885 |
13 | c4cb26b43 |
14 | 6bb8b2c61 |
15 | 3e1cc807e |
hex | 25a1ddbe5 |
10101840869 has 2 divisors, whose sum is σ = 10101840870. Its totient is φ = 10101840868.
The previous prime is 10101840857. The next prime is 10101840901. The reversal of 10101840869 is 96804810101.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 9788727844 + 313113025 = 98938^2 + 17695^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-10101840869 is a prime.
It is a super-2 number, since 2×101018408692 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (10101840839) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5050920434 + 5050920435.
It is an arithmetic number, because the mean of its divisors is an integer number (5050920435).
Almost surely, 210101840869 is an apocalyptic number.
It is an amenable number.
10101840869 is a deficient number, since it is larger than the sum of its proper divisors (1).
10101840869 is an equidigital number, since it uses as much as digits as its factorization.
10101840869 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 13824, while the sum is 38.
The spelling of 10101840869 in words is "ten billion, one hundred one million, eight hundred forty thousand, eight hundred sixty-nine".
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