Base | Representation |
---|---|
bin | 111110111110010… |
… | …0101001111000101 |
3 | 12110021001012120022 |
4 | 1331330211033011 |
5 | 13311414030112 |
6 | 545401344525 |
7 | 103235325344 |
oct | 17574451705 |
9 | 5407035508 |
10 | 2113033157 |
11 | 9948300a4 |
12 | 4ab798145 |
13 | 278a021a1 |
14 | 1608bdb5b |
15 | c578dd72 |
hex | 7df253c5 |
2113033157 has 2 divisors, whose sum is σ = 2113033158. Its totient is φ = 2113033156.
The previous prime is 2113033133. The next prime is 2113033189. The reversal of 2113033157 is 7513303112.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 1529279236 + 583753921 = 39106^2 + 24161^2 .
It is a cyclic number.
It is not a de Polignac number, because 2113033157 - 26 = 2113033093 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2113033357) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056516578 + 1056516579.
It is an arithmetic number, because the mean of its divisors is an integer number (1056516579).
Almost surely, 22113033157 is an apocalyptic number.
It is an amenable number.
2113033157 is a deficient number, since it is larger than the sum of its proper divisors (1).
2113033157 is an equidigital number, since it uses as much as digits as its factorization.
2113033157 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1890, while the sum is 26.
The square root of 2113033157 is about 45967.7403947595. The cubic root of 2113033157 is about 1283.2229079027. Note that the first 3 decimals are identical.
Adding to 2113033157 its reverse (7513303112), we get a palindrome (9626336269).
The spelling of 2113033157 in words is "two billion, one hundred thirteen million, thirty-three thousand, one hundred fifty-seven".
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