Base | Representation |
---|---|
bin | 10001100111011001110… |
… | …100000111111011101001 |
3 | 11021201121121211012012120 |
4 | 101213121310013323221 |
5 | 124313141233130100 |
6 | 2324040420101453 |
7 | 153313212221052 |
oct | 21473164077351 |
9 | 4251547735176 |
10 | 1210540130025 |
11 | 427429387856 |
12 | 17673b534889 |
13 | 8a1cc16b035 |
14 | 4283a2cb729 |
15 | 217501dc0a0 |
hex | 119d9d07ee9 |
1210540130025 has 48 divisors (see below), whose sum is σ = 2050828821888. Its totient is φ = 629694144000.
The previous prime is 1210540129993. The next prime is 1210540130027. The reversal of 1210540130025 is 5200310450121.
It is a happy number.
It is not a de Polignac number, because 1210540130025 - 25 = 1210540129993 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 1210540129977 and 1210540130004.
It is not an unprimeable number, because it can be changed into a prime (1210540130027) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11036955 + ... + 11146095.
It is an arithmetic number, because the mean of its divisors is an integer number (42725600456).
Almost surely, 21210540130025 is an apocalyptic number.
1210540130025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
1210540130025 is a deficient number, since it is larger than the sum of its proper divisors (840288691863).
1210540130025 is a wasteful number, since it uses less digits than its factorization.
1210540130025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 112802 (or 112797 counting only the distinct ones).
The product of its (nonzero) digits is 1200, while the sum is 24.
Adding to 1210540130025 its reverse (5200310450121), we get a palindrome (6410850580146).
The spelling of 1210540130025 in words is "one trillion, two hundred ten billion, five hundred forty million, one hundred thirty thousand, twenty-five".
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