Base | Representation |
---|---|
bin | 1000000010101000… |
… | …1000111000101101 |
3 | 12120102122200122000 |
4 | 2000222020320231 |
5 | 13410040430333 |
6 | 554104442513 |
7 | 104330126436 |
oct | 20052107055 |
9 | 5512580560 |
10 | 2158530093 |
11 | a08485675 |
12 | 502a79439 |
13 | 285271a55 |
14 | 16696448d |
15 | c9779713 |
hex | 80a88e2d |
2158530093 has 32 divisors (see below), whose sum is σ = 3474739200. Its totient is φ = 1319295600.
The previous prime is 2158530091. The next prime is 2158530097. The reversal of 2158530093 is 3900358512.
It is not a de Polignac number, because 2158530093 - 21 = 2158530091 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2158530091) 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, 51963 + ... + 83768.
It is an arithmetic number, because the mean of its divisors is an integer number (108585600).
Almost surely, 22158530093 is an apocalyptic number.
It is an amenable number.
2158530093 is a deficient number, since it is larger than the sum of its proper divisors (1316209107).
2158530093 is a wasteful number, since it uses less digits than its factorization.
2158530093 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 135790 (or 135784 counting only the distinct ones).
The product of its (nonzero) digits is 32400, while the sum is 36.
The square root of 2158530093 is about 46459.9837817449. The cubic root of 2158530093 is about 1292.3675235324.
The spelling of 2158530093 in words is "two billion, one hundred fifty-eight million, five hundred thirty thousand, ninety-three".
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