Base | Representation |
---|---|
bin | 111111100110101… |
… | …1000101101110101 |
3 | 12111201220101100001 |
4 | 1333031120231311 |
5 | 13332324344131 |
6 | 551435351301 |
7 | 103613350513 |
oct | 17715305565 |
9 | 5451811301 |
10 | 2134215541 |
11 | 9a57887a7 |
12 | 4b68b2531 |
13 | 28020a843 |
14 | 1636354b3 |
15 | c7575261 |
hex | 7f358b75 |
2134215541 has 2 divisors, whose sum is σ = 2134215542. Its totient is φ = 2134215540.
The previous prime is 2134215487. The next prime is 2134215557. The reversal of 2134215541 is 1455124312.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 1404675441 + 729540100 = 37479^2 + 27010^2 .
It is a cyclic number.
It is not a de Polignac number, because 2134215541 - 219 = 2133691253 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2134215571) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1067107770 + 1067107771.
It is an arithmetic number, because the mean of its divisors is an integer number (1067107771).
Almost surely, 22134215541 is an apocalyptic number.
It is an amenable number.
2134215541 is a deficient number, since it is larger than the sum of its proper divisors (1).
2134215541 is an equidigital number, since it uses as much as digits as its factorization.
2134215541 is an evil number, because the sum of its binary digits is even.
The product of its digits is 4800, while the sum is 28.
The square root of 2134215541 is about 46197.5707261756. The cubic root of 2134215541 is about 1287.4966054644.
Adding to 2134215541 its reverse (1455124312), we get a palindrome (3589339853).
The spelling of 2134215541 in words is "two billion, one hundred thirty-four million, two hundred fifteen thousand, five hundred forty-one".
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