Base | Representation |
---|---|
bin | 111111101100001… |
… | …1001101010001011 |
3 | 12111221100002011111 |
4 | 1333120121222023 |
5 | 13334044243422 |
6 | 552021311151 |
7 | 103650034645 |
oct | 17730315213 |
9 | 5457302144 |
10 | 2137102987 |
11 | 9a7380118 |
12 | 4b78654b7 |
13 | 2809abba6 |
14 | 163b87895 |
15 | c7945a77 |
hex | 7f619a8b |
2137102987 has 2 divisors, whose sum is σ = 2137102988. Its totient is φ = 2137102986.
The previous prime is 2137102969. The next prime is 2137102993. The reversal of 2137102987 is 7892017312.
It is a happy number.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 2137102987 - 219 = 2136578699 is a prime.
It is not a weakly prime, because it can be changed into another prime (2137102907) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1068551493 + 1068551494.
It is an arithmetic number, because the mean of its divisors is an integer number (1068551494).
Almost surely, 22137102987 is an apocalyptic number.
2137102987 is a deficient number, since it is larger than the sum of its proper divisors (1).
2137102987 is an equidigital number, since it uses as much as digits as its factorization.
2137102987 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 42336, while the sum is 40.
The square root of 2137102987 is about 46228.8112220074. The cubic root of 2137102987 is about 1288.0769750927.
The spelling of 2137102987 in words is "two billion, one hundred thirty-seven million, one hundred two thousand, nine hundred eighty-seven".
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