Base | Representation |
---|---|
bin | 111110101001100… |
… | …0100010000010001 |
3 | 12102111120021220101 |
4 | 1331103010100101 |
5 | 13301122301121 |
6 | 544332212401 |
7 | 103043660446 |
oct | 17523042021 |
9 | 5374507811 |
10 | 2102150161 |
11 | 989677591 |
12 | 4a800a101 |
13 | 276691747 |
14 | 15d2899cd |
15 | c483e491 |
hex | 7d4c4411 |
2102150161 has 8 divisors (see below), whose sum is σ = 2125068264. Its totient is φ = 2079356160.
The previous prime is 2102150137. The next prime is 2102150203. The reversal of 2102150161 is 1610512012.
It can be written as a sum of positive squares in 4 ways, for example, as 1674446400 + 427703761 = 40920^2 + 20681^2 .
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 2102150161 - 217 = 2102019089 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2102150131) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3241 + ... + 64921.
It is an arithmetic number, because the mean of its divisors is an integer number (265633533).
Almost surely, 22102150161 is an apocalyptic number.
It is an amenable number.
2102150161 is a deficient number, since it is larger than the sum of its proper divisors (22918103).
2102150161 is a wasteful number, since it uses less digits than its factorization.
2102150161 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 62051.
The product of its (nonzero) digits is 120, while the sum is 19.
The square root of 2102150161 is about 45849.2111273466. The cubic root of 2102150161 is about 1281.0160716814.
Adding to 2102150161 its reverse (1610512012), we get a palindrome (3712662173).
The spelling of 2102150161 in words is "two billion, one hundred two million, one hundred fifty thousand, one hundred sixty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •