Base | Representation |
---|---|
bin | 111111010001010… |
… | …1001100000100101 |
3 | 12110221211012011000 |
4 | 1332202221200211 |
5 | 13321442342013 |
6 | 550355303513 |
7 | 103416206514 |
oct | 17642514045 |
9 | 5427735130 |
10 | 2123012133 |
11 | 99a426490 |
12 | 4b2baab99 |
13 | 27aab72c8 |
14 | 161d5a67b |
15 | c65b0973 |
hex | 7e8a9825 |
2123012133 has 32 divisors (see below), whose sum is σ = 3453926400. Its totient is φ = 1278126000.
The previous prime is 2123012119. The next prime is 2123012147. The reversal of 2123012133 is 3312103212.
It is an interprime number because it is at equal distance from previous prime (2123012119) and next prime (2123012147).
It is not a de Polignac number, because 2123012133 - 210 = 2123011109 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2123012833) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21178 + ... + 68516.
It is an arithmetic number, because the mean of its divisors is an integer number (107935200).
Almost surely, 22123012133 is an apocalyptic number.
It is an amenable number.
2123012133 is a deficient number, since it is larger than the sum of its proper divisors (1330914267).
2123012133 is a wasteful number, since it uses less digits than its factorization.
2123012133 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 47510 (or 47504 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
The square root of 2123012133 is about 46076.1557966808. The cubic root of 2123012133 is about 1285.2397788202.
Adding to 2123012133 its reverse (3312103212), we get a palindrome (5435115345).
The spelling of 2123012133 in words is "two billion, one hundred twenty-three million, twelve thousand, one hundred thirty-three".
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