Base | Representation |
---|---|
bin | 1001010010011100111011… |
… | …00101101111110000000111 |
3 | 2200022122001020111211101002 |
4 | 10221032131211233300013 |
5 | 10134121314113112221 |
6 | 111235114041123515 |
7 | 4205446554253523 |
oct | 451163545576007 |
9 | 80278036454332 |
10 | 20425213410311 |
11 | 6565314538816 |
12 | 235a66278959b |
13 | b52121429778 |
14 | 50882ac7ad83 |
15 | 25649005980b |
hex | 12939d96fc07 |
20425213410311 has 12 divisors (see below), whose sum is σ = 21697372983168. Its totient is φ = 19161110751552.
The previous prime is 20425213410271. The next prime is 20425213410313. The reversal of 20425213410311 is 11301431252402.
It is a happy number.
It is not a de Polignac number, because 20425213410311 - 238 = 20150335503367 is a prime.
It is a super-2 number, since 2×204252134103112 (a number of 27 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20425213410313) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4771751 + ... + 7976216.
It is an arithmetic number, because the mean of its divisors is an integer number (1808114415264).
Almost surely, 220425213410311 is an apocalyptic number.
20425213410311 is a deficient number, since it is larger than the sum of its proper divisors (1272159572857).
20425213410311 is an equidigital number, since it uses as much as digits as its factorization.
20425213410311 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12748598 (or 12748291 counting only the distinct ones).
The product of its (nonzero) digits is 5760, while the sum is 29.
Adding to 20425213410311 its reverse (11301431252402), we get a palindrome (31726644662713).
The spelling of 20425213410311 in words is "twenty trillion, four hundred twenty-five billion, two hundred thirteen million, four hundred ten thousand, three hundred eleven".
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