Base | Representation |
---|---|
bin | 111111000010000… |
… | …1000001010101010 |
3 | 12110101202200222201 |
4 | 1332010020022222 |
5 | 13312420324432 |
6 | 545512010414 |
7 | 103261204351 |
oct | 17604101252 |
9 | 5411680881 |
10 | 2115011242 |
11 | 995961283 |
12 | 4b0390a0a |
13 | 279245656 |
14 | 160c76998 |
15 | c5a2eee7 |
hex | 7e1082aa |
2115011242 has 24 divisors (see below), whose sum is σ = 3461232204. Its totient is φ = 968389632.
The previous prime is 2115011231. The next prime is 2115011273. The reversal of 2115011242 is 2421105112.
It can be written as a sum of positive squares in 6 ways, for example, as 1959036121 + 155975121 = 44261^2 + 12489^2 .
It is an unprimeable number.
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 11 ways as a sum of consecutive naturals, for example, 28063 + ... + 70834.
Almost surely, 22115011242 is an apocalyptic number.
2115011242 is a deficient number, since it is larger than the sum of its proper divisors (1346220962).
2115011242 is a wasteful number, since it uses less digits than its factorization.
2115011242 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 98970 (or 98953 counting only the distinct ones).
The product of its (nonzero) digits is 160, while the sum is 19.
The square root of 2115011242 is about 45989.2513746419. The cubic root of 2115011242 is about 1283.6232064526.
Adding to 2115011242 its reverse (2421105112), we get a palindrome (4536116354).
The spelling of 2115011242 in words is "two billion, one hundred fifteen million, eleven thousand, two hundred forty-two".
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