Base | Representation |
---|---|
bin | 111111100001111… |
… | …0011110011010001 |
3 | 12111120011211120120 |
4 | 1333003303303101 |
5 | 13331204030131 |
6 | 551305500453 |
7 | 103553123334 |
oct | 17703636321 |
9 | 5446154516 |
10 | 2131705041 |
11 | 9a4323604 |
12 | 4b5aa1729 |
13 | 27c83bc3b |
14 | 16318061b |
15 | c722b496 |
hex | 7f0f3cd1 |
2131705041 has 4 divisors (see below), whose sum is σ = 2842273392. Its totient is φ = 1421136692.
The previous prime is 2131705007. The next prime is 2131705061. The reversal of 2131705041 is 1405071312.
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 2131705041 - 215 = 2131672273 is a prime.
It is not an unprimeable number, because it can be changed into a prime (2131705061) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 355284171 + ... + 355284176.
It is an arithmetic number, because the mean of its divisors is an integer number (710568348).
Almost surely, 22131705041 is an apocalyptic number.
It is an amenable number.
2131705041 is a deficient number, since it is larger than the sum of its proper divisors (710568351).
2131705041 is an equidigital number, since it uses as much as digits as its factorization.
2131705041 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 710568350.
The product of its (nonzero) digits is 840, while the sum is 24.
The square root of 2131705041 is about 46170.3913888544. The cubic root of 2131705041 is about 1286.9915754935.
Adding to 2131705041 its reverse (1405071312), we get a palindrome (3536776353).
The spelling of 2131705041 in words is "two billion, one hundred thirty-one million, seven hundred five thousand, forty-one".
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