Base | Representation |
---|---|
bin | 111110100101011… |
… | …1101111100010101 |
3 | 12102100120102200121 |
4 | 1331022331330111 |
5 | 13300101332112 |
6 | 544214511541 |
7 | 103016636104 |
oct | 17512757425 |
9 | 5370512617 |
10 | 2100027157 |
11 | 988457538 |
12 | 4a73655b1 |
13 | 2760ca327 |
14 | 15cc9603b |
15 | c4570407 |
hex | 7d2bdf15 |
2100027157 has 2 divisors, whose sum is σ = 2100027158. Its totient is φ = 2100027156.
The previous prime is 2100027113. The next prime is 2100027161. The reversal of 2100027157 is 7517200012.
It is a happy number.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 2094801361 + 5225796 = 45769^2 + 2286^2 .
It is a cyclic number.
It is not a de Polignac number, because 2100027157 - 215 = 2099994389 is a prime.
It is a super-2 number, since 2×21000271572 = 8820228120275005298, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2100027107) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050013578 + 1050013579.
It is an arithmetic number, because the mean of its divisors is an integer number (1050013579).
Almost surely, 22100027157 is an apocalyptic number.
It is an amenable number.
2100027157 is a deficient number, since it is larger than the sum of its proper divisors (1).
2100027157 is an equidigital number, since it uses as much as digits as its factorization.
2100027157 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 980, while the sum is 25.
The square root of 2100027157 is about 45826.0532557627. The cubic root of 2100027157 is about 1280.5846850730.
Adding to 2100027157 its reverse (7517200012), we get a palindrome (9617227169).
The spelling of 2100027157 in words is "two billion, one hundred million, twenty-seven thousand, one hundred fifty-seven".
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