Base | Representation |
---|---|
bin | 10011001000101101… |
… | …10110100100100001 |
3 | 222111222200100002001 |
4 | 21210112312210201 |
5 | 132020023200011 |
6 | 4415235524001 |
7 | 512406362161 |
oct | 114426664441 |
9 | 28458610061 |
10 | 10273646881 |
11 | 43a2229a63 |
12 | 1ba8759601 |
13 | c795bc1c4 |
14 | 6d66365a1 |
15 | 401e137c1 |
hex | 2645b6921 |
10273646881 has 3 divisors (see below), whose sum is σ = 10273748241. Its totient is φ = 10273545522.
The previous prime is 10273646861. The next prime is 10273646891. The reversal of 10273646881 is 18864637201.
It is a happy number.
The square root of 10273646881 is 101359.
It is a perfect power (a square), and thus also a powerful number.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 18864637201 = 95629 ⋅197269.
It is not a de Polignac number, because 10273646881 - 229 = 9736775969 is a prime.
It is a super-2 number, since 2×102736468812 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (10273646861) by changing a digit.
It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 50680 + ... + 152038.
It is an arithmetic number, because the mean of its divisors is an integer number (3424582747).
Almost surely, 210273646881 is an apocalyptic number.
10273646881 is the 101359-th square number.
10273646881 is the 50680-th centered octagonal number.
It is an amenable number.
10273646881 is a deficient number, since it is larger than the sum of its proper divisors (101360).
10273646881 is an frugal number, since it uses more digits than its factorization.
10273646881 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 202718 (or 101359 counting only the distinct ones).
The product of its (nonzero) digits is 387072, while the sum is 46.
The spelling of 10273646881 in words is "ten billion, two hundred seventy-three million, six hundred forty-six thousand, eight hundred eighty-one".
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