Base | Representation |
---|---|
bin | 111111001101010… |
… | …0001010010001101 |
3 | 12110210210221012000 |
4 | 1332122201102031 |
5 | 13320421200133 |
6 | 550241502513 |
7 | 103362123246 |
oct | 17632412215 |
9 | 5423727160 |
10 | 2120881293 |
11 | 999200563 |
12 | 4b2341a39 |
13 | 27a51c45b |
14 | 161963ccd |
15 | c62de413 |
hex | 7e6a148d |
2120881293 has 32 divisors (see below), whose sum is σ = 3179779200. Its totient is φ = 1397023488.
The previous prime is 2120881277. The next prime is 2120881339. The reversal of 2120881293 is 3921880212.
It is not a de Polignac number, because 2120881293 - 24 = 2120881277 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2120881193) 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, 1185946 + ... + 1187732.
It is an arithmetic number, because the mean of its divisors is an integer number (99368100).
Almost surely, 22120881293 is an apocalyptic number.
It is an amenable number.
2120881293 is a deficient number, since it is larger than the sum of its proper divisors (1058897907).
2120881293 is a wasteful number, since it uses less digits than its factorization.
2120881293 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2298 (or 2292 counting only the distinct ones).
The product of its (nonzero) digits is 13824, while the sum is 36.
The square root of 2120881293 is about 46053.0269689192. The cubic root of 2120881293 is about 1284.8096419964.
The spelling of 2120881293 in words is "two billion, one hundred twenty million, eight hundred eighty-one thousand, two hundred ninety-three".
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