Base | Representation |
---|---|
bin | 100100001011111… |
… | …1111110000101001 |
3 | 10010121211021220011 |
4 | 1020113333300221 |
5 | 4441322000100 |
6 | 320253331521 |
7 | 42042645352 |
oct | 11027776051 |
9 | 3117737804 |
10 | 1214250025 |
11 | 57345a01a |
12 | 29a796ba1 |
13 | 164743651 |
14 | b739cd29 |
15 | 71902bba |
hex | 485ffc29 |
1214250025 has 6 divisors (see below), whose sum is σ = 1505670062. Its totient is φ = 971400000.
The previous prime is 1214249989. The next prime is 1214250047. The reversal of 1214250025 is 5200524121.
It can be written as a sum of positive squares in 3 ways, for example, as 2374681 + 1211875344 = 1541^2 + 34812^2 .
It is a de Polignac number, because none of the positive numbers 2k-1214250025 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1214249978 and 1214250005.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 24284976 + ... + 24285025.
Almost surely, 21214250025 is an apocalyptic number.
It is an amenable number.
1214250025 is a deficient number, since it is larger than the sum of its proper divisors (291420037).
1214250025 is an equidigital number, since it uses as much as digits as its factorization.
1214250025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 48570011 (or 48570006 counting only the distinct ones).
The product of its (nonzero) digits is 800, while the sum is 22.
The square root of 1214250025 is about 34846.0905267722. The cubic root of 1214250025 is about 1066.8483921609.
Adding to 1214250025 its reverse (5200524121), we get a palindrome (6414774146).
The spelling of 1214250025 in words is "one billion, two hundred fourteen million, two hundred fifty thousand, twenty-five".
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