Base | Representation |
---|---|
bin | 111110101111010… |
… | …1101001000000001 |
3 | 12102201022022002002 |
4 | 1331132231020001 |
5 | 13302412414103 |
6 | 544521433345 |
7 | 103111625456 |
oct | 17536551001 |
9 | 5381268062 |
10 | 2105201153 |
11 | 990370870 |
12 | 4a903b855 |
13 | 2771bc373 |
14 | 15d84182d |
15 | c4c43488 |
hex | 7d7ad201 |
2105201153 has 4 divisors (see below), whose sum is σ = 2296583088. Its totient is φ = 1913819220.
The previous prime is 2105201123. The next prime is 2105201167. The reversal of 2105201153 is 3511025012.
It is a happy number.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 2105201153 - 28 = 2105200897 is a prime.
It is a super-3 number, since 3×21052011533 (a number of 29 digits) contains 333 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2105201123) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95690951 + ... + 95690972.
It is an arithmetic number, because the mean of its divisors is an integer number (574145772).
Almost surely, 22105201153 is an apocalyptic number.
It is an amenable number.
2105201153 is a deficient number, since it is larger than the sum of its proper divisors (191381935).
2105201153 is a wasteful number, since it uses less digits than its factorization.
2105201153 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 191381934.
The product of its (nonzero) digits is 300, while the sum is 20.
The square root of 2105201153 is about 45882.4710864618. The cubic root of 2105201153 is about 1281.6355137104.
Adding to 2105201153 its reverse (3511025012), we get a palindrome (5616226165).
The spelling of 2105201153 in words is "two billion, one hundred five million, two hundred one thousand, one hundred fifty-three".
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