Base | Representation |
---|---|
bin | 10010001110010101111… |
… | …001000010010101111001 |
3 | 11102201112102220211221201 |
4 | 102032111321002111321 |
5 | 131004303130140441 |
6 | 2355153255534201 |
7 | 156323256254551 |
oct | 22162571022571 |
9 | 4381472824851 |
10 | 1252350240121 |
11 | 443134075352 |
12 | 18286968a361 |
13 | 91133240356 |
14 | 44885044161 |
15 | 2289aa77c31 |
hex | 12395e42579 |
1252350240121 has 8 divisors (see below), whose sum is σ = 1255308874560. Its totient is φ = 1249392790128.
The previous prime is 1252350240109. The next prime is 1252350240187. The reversal of 1252350240121 is 1210420532521.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1252350240121 - 225 = 1252316685689 is a prime.
It is a super-2 number, since 2×12523502401212 (a number of 25 digits) contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 1252350240121.
It is not an unprimeable number, because it can be changed into a prime (1252350240191) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1839195 + ... + 2426383.
It is an arithmetic number, because the mean of its divisors is an integer number (156913609320).
Almost surely, 21252350240121 is an apocalyptic number.
It is an amenable number.
1252350240121 is a deficient number, since it is larger than the sum of its proper divisors (2958634439).
1252350240121 is an equidigital number, since it uses as much as digits as its factorization.
1252350240121 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 592223.
The product of its (nonzero) digits is 4800, while the sum is 28.
Adding to 1252350240121 its reverse (1210420532521), we get a palindrome (2462770772642).
The spelling of 1252350240121 in words is "one trillion, two hundred fifty-two billion, three hundred fifty million, two hundred forty thousand, one hundred twenty-one".
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