Base | Representation |
---|---|
bin | 1000000001001111… |
… | …1111101011001001 |
3 | 12120000201202210201 |
4 | 2000103333223021 |
5 | 13402044201233 |
6 | 553340212201 |
7 | 104226601513 |
oct | 20023775311 |
9 | 5500652721 |
10 | 2152725193 |
11 | a05180333 |
12 | 500b3a061 |
13 | 283cbb7b8 |
14 | 165c92bb3 |
15 | c8ece77d |
hex | 804ffac9 |
2152725193 has 4 divisors (see below), whose sum is σ = 2158929360. Its totient is φ = 2146521028.
The previous prime is 2152725173. The next prime is 2152725199. The reversal of 2152725193 is 3915272512.
It is a happy number.
2152725193 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 2152725193 - 225 = 2119170761 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2152725199) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3101563 + ... + 3102256.
It is an arithmetic number, because the mean of its divisors is an integer number (539732340).
Almost surely, 22152725193 is an apocalyptic number.
It is an amenable number.
2152725193 is a deficient number, since it is larger than the sum of its proper divisors (6204167).
2152725193 is an equidigital number, since it uses as much as digits as its factorization.
2152725193 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6204166.
The product of its digits is 37800, while the sum is 37.
The square root of 2152725193 is about 46397.4696831627. The cubic root of 2152725193 is about 1291.2079691073.
The spelling of 2152725193 in words is "two billion, one hundred fifty-two million, seven hundred twenty-five thousand, one hundred ninety-three".
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