Base | Representation |
---|---|
bin | 111111110100110… |
… | …1101101001011101 |
3 | 12112020212122120111 |
4 | 1333221231221131 |
5 | 13341230010214 |
6 | 552302450021 |
7 | 104033436133 |
oct | 17751555135 |
9 | 5466778514 |
10 | 2141641309 |
11 | 9a999a8a5 |
12 | 4b9293911 |
13 | 28190a7a2 |
14 | 164609753 |
15 | c80405c4 |
hex | 7fa6da5d |
2141641309 has 2 divisors, whose sum is σ = 2141641310. Its totient is φ = 2141641308.
The previous prime is 2141641279. The next prime is 2141641321. The reversal of 2141641309 is 9031461412.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 1328821209 + 812820100 = 36453^2 + 28510^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-2141641309 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2141641409) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1070820654 + 1070820655.
It is an arithmetic number, because the mean of its divisors is an integer number (1070820655).
Almost surely, 22141641309 is an apocalyptic number.
It is an amenable number.
2141641309 is a deficient number, since it is larger than the sum of its proper divisors (1).
2141641309 is an equidigital number, since it uses as much as digits as its factorization.
2141641309 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 5184, while the sum is 31.
The square root of 2141641309 is about 46277.8706186877. The cubic root of 2141641309 is about 1288.9881111852.
The spelling of 2141641309 in words is "two billion, one hundred forty-one million, six hundred forty-one thousand, three hundred nine".
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