Base | Representation |
---|---|
bin | 10001100001011010110… |
… | …011010100011100101101 |
3 | 11021010000210101102200111 |
4 | 101201122303110130231 |
5 | 124212011221323141 |
6 | 2321055031100021 |
7 | 152665034132443 |
oct | 21413263243455 |
9 | 4233023342614 |
10 | 1204114245421 |
11 | 42473111161a |
12 | 175447511611 |
13 | 89716a99c59 |
14 | 423caadab93 |
15 | 214c5ecb381 |
hex | 1185acd472d |
1204114245421 has 2 divisors, whose sum is σ = 1204114245422. Its totient is φ = 1204114245420.
The previous prime is 1204114245419. The next prime is 1204114245473. The reversal of 1204114245421 is 1245424114021.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 855784107396 + 348330138025 = 925086^2 + 590195^2 .
It is a cyclic number.
It is not a de Polignac number, because 1204114245421 - 21 = 1204114245419 is a prime.
It is a super-2 number, since 2×12041142454212 (a number of 25 digits) contains 22 as substring.
Together with 1204114245419, it forms a pair of twin primes.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1204114242421) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 602057122710 + 602057122711.
It is an arithmetic number, because the mean of its divisors is an integer number (602057122711).
Almost surely, 21204114245421 is an apocalyptic number.
It is an amenable number.
1204114245421 is a deficient number, since it is larger than the sum of its proper divisors (1).
1204114245421 is an equidigital number, since it uses as much as digits as its factorization.
1204114245421 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 10240, while the sum is 31.
Adding to 1204114245421 its reverse (1245424114021), we get a palindrome (2449538359442).
The spelling of 1204114245421 in words is "one trillion, two hundred four billion, one hundred fourteen million, two hundred forty-five thousand, four hundred twenty-one".
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