Base | Representation |
---|---|
bin | 1000000001000111… |
… | …1100000010101001 |
3 | 12112222201101012112 |
4 | 2000101330002221 |
5 | 13401424423100 |
6 | 553320452105 |
7 | 104222164553 |
oct | 20021740251 |
9 | 5488641175 |
10 | 2152186025 |
11 | a04942240 |
12 | 50091a035 |
13 | 283b60272 |
14 | 165b924d3 |
15 | c8e24b35 |
hex | 8047c0a9 |
2152186025 has 24 divisors (see below), whose sum is σ = 2921786208. Its totient is φ = 1559600000.
The previous prime is 2152186021. The next prime is 2152186033. The reversal of 2152186025 is 5206812512.
It is not a de Polignac number, because 2152186025 - 22 = 2152186021 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 2152185982 and 2152186000.
It is not an unprimeable number, because it can be changed into a prime (2152186021) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 63350 + ... + 91200.
It is an arithmetic number, because the mean of its divisors is an integer number (121741092).
Almost surely, 22152186025 is an apocalyptic number.
2152186025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
2152186025 is a deficient number, since it is larger than the sum of its proper divisors (769600183).
2152186025 is a wasteful number, since it uses less digits than its factorization.
2152186025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 28153 (or 28148 counting only the distinct ones).
The product of its (nonzero) digits is 9600, while the sum is 32.
The square root of 2152186025 is about 46391.6590024543. The cubic root of 2152186025 is about 1291.1001621673.
Adding to 2152186025 its reverse (5206812512), we get a palindrome (7358998537).
The spelling of 2152186025 in words is "two billion, one hundred fifty-two million, one hundred eighty-six thousand, twenty-five".
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