Base | Representation |
---|---|
bin | 100110100010… |
… | …010011001101 |
3 | 201000020021212 |
4 | 212202103031 |
5 | 10041230330 |
6 | 1000304205 |
7 | 151602536 |
oct | 46422315 |
9 | 21006255 |
10 | 10101965 |
11 | 577a835 |
12 | 3472065 |
13 | 21290c3 |
14 | 14ad68d |
15 | d48295 |
hex | 9a24cd |
10101965 has 4 divisors (see below), whose sum is σ = 12122364. Its totient is φ = 8081568.
The previous prime is 10101953. The next prime is 10101979. The reversal of 10101965 is 56910101.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 56910101 = 17 ⋅3347653.
It can be written as a sum of positive squares in 2 ways, for example, as 6646084 + 3455881 = 2578^2 + 1859^2 .
It is a cyclic number.
It is not a de Polignac number, because 10101965 - 28 = 10101709 is a prime.
It is a super-2 number, since 2×101019652 = 204099393722450, which contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 10101965.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1010192 + ... + 1010201.
It is an arithmetic number, because the mean of its divisors is an integer number (3030591).
Almost surely, 210101965 is an apocalyptic number.
It is an amenable number.
10101965 is a deficient number, since it is larger than the sum of its proper divisors (2020399).
10101965 is an equidigital number, since it uses as much as digits as its factorization.
10101965 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2020398.
The product of its (nonzero) digits is 270, while the sum is 23.
The square root of 10101965 is about 3178.3588532449. The cubic root of 10101965 is about 216.1732506328.
The spelling of 10101965 in words is "ten million, one hundred one thousand, nine hundred sixty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •