Base | Representation |
---|---|
bin | 1001111010011001110101… |
… | …0011110100000100100001 |
3 | 1102120221011001020021002100 |
4 | 2132212131103310010201 |
5 | 2412032043114400011 |
6 | 35102530202441013 |
7 | 2203265445020514 |
oct | 236463523640441 |
9 | 42527131207070 |
10 | 10898971246881 |
11 | 3522256151423 |
12 | 1280363503169 |
13 | 6109cb74ab73 |
14 | 299727a40d7b |
15 | 13d791eadd56 |
hex | 9e99d4f4121 |
10898971246881 has 27 divisors (see below), whose sum is σ = 15836973936537. Its totient is φ = 7222845274560.
The previous prime is 10898971246873. The next prime is 10898971246897. The reversal of 10898971246881 is 18864217989801.
The square root of 10898971246881 is 3301359.
It is a perfect power (a square), and thus also a powerful number.
10898971246881 is a `hidden beast` number, since 1 + 0 + 8 + 9 + 89 + 7 + 1 + 2 + 468 + 81 = 666.
It can be written as a sum of positive squares in 4 ways, for example, as 495017780625 + 10403953466256 = 703575^2 + 3225516^2 .
It is not a de Polignac number, because 10898971246881 - 23 = 10898971246873 is a prime.
It is a super-2 number, since 2×108989712468812 (a number of 27 digits) contains 22 as substring.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (10898971246831) by changing a digit.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1713402141 + ... + 1713408501.
Almost surely, 210898971246881 is an apocalyptic number.
10898971246881 is the 3301359-th square number.
10898971246881 is the 1650680-th centered octagonal number.
It is an amenable number.
10898971246881 is a deficient number, since it is larger than the sum of its proper divisors (4938002689656).
10898971246881 is an frugal number, since it uses more digits than its factorization.
10898971246881 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13074 (or 6537 counting only the distinct ones).
The product of its (nonzero) digits is 111476736, while the sum is 72.
The spelling of 10898971246881 in words is "ten trillion, eight hundred ninety-eight billion, nine hundred seventy-one million, two hundred forty-six thousand, eight hundred eighty-one".
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