Base | Representation |
---|---|
bin | 111111100000100… |
… | …1000001101010111 |
3 | 12111111212010110101 |
4 | 1333001020031113 |
5 | 13331014032244 |
6 | 551242434531 |
7 | 103544135254 |
oct | 17701101527 |
9 | 5444763411 |
10 | 2131002199 |
11 | 9a3993547 |
12 | 4b5802a47 |
13 | 27c654061 |
14 | 16303a42b |
15 | c713d0d4 |
hex | 7f048357 |
2131002199 has 2 divisors, whose sum is σ = 2131002200. Its totient is φ = 2131002198.
The previous prime is 2131002193. The next prime is 2131002221. The reversal of 2131002199 is 9912001312.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 2131002199 - 23 = 2131002191 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2131002191) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1065501099 + 1065501100.
It is an arithmetic number, because the mean of its divisors is an integer number (1065501100).
Almost surely, 22131002199 is an apocalyptic number.
2131002199 is a deficient number, since it is larger than the sum of its proper divisors (1).
2131002199 is an equidigital number, since it uses as much as digits as its factorization.
2131002199 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 972, while the sum is 28.
The square root of 2131002199 is about 46162.7793682313. The cubic root of 2131002199 is about 1286.8501157783.
The spelling of 2131002199 in words is "two billion, one hundred thirty-one million, two thousand, one hundred ninety-nine".
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