Base | Representation |
---|---|
bin | 111111110101001… |
… | …0110010101001011 |
3 | 12112021012010011021 |
4 | 1333222112111023 |
5 | 13341300323242 |
6 | 552310213311 |
7 | 104035032016 |
oct | 17752262513 |
9 | 5467163137 |
10 | 2141807947 |
11 | 9a9aa4014 |
12 | 4b9354237 |
13 | 2819685a6 |
14 | 16465037d |
15 | c8074b67 |
hex | 7fa9654b |
2141807947 has 8 divisors (see below), whose sum is σ = 2169890240. Its totient is φ = 2113750080.
The previous prime is 2141807929. The next prime is 2141807957. The reversal of 2141807947 is 7497081412.
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 2141807947 - 27 = 2141807819 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2141807957) 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 7 ways as a sum of consecutive naturals, for example, 228697 + ... + 237877.
It is an arithmetic number, because the mean of its divisors is an integer number (271236280).
Almost surely, 22141807947 is an apocalyptic number.
2141807947 is a deficient number, since it is larger than the sum of its proper divisors (28082293).
2141807947 is an equidigital number, since it uses as much as digits as its factorization.
2141807947 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12213.
The product of its (nonzero) digits is 112896, while the sum is 43.
The square root of 2141807947 is about 46279.6709906196. The cubic root of 2141807947 is about 1289.0215417491.
The spelling of 2141807947 in words is "two billion, one hundred forty-one million, eight hundred seven thousand, nine hundred forty-seven".
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