Base | Representation |
---|---|
bin | 10100001101010001… |
… | …11101111011110101 |
3 | 1001000001222012121111 |
4 | 22012220331323311 |
5 | 134204244232411 |
6 | 4552303515021 |
7 | 532562312455 |
oct | 120650757365 |
9 | 31001865544 |
10 | 10848820981 |
11 | 4667970859 |
12 | 21292b8a71 |
13 | 103b804bcb |
14 | 74cb99d65 |
15 | 43767a721 |
hex | 286a3def5 |
10848820981 has 2 divisors, whose sum is σ = 10848820982. Its totient is φ = 10848820980.
The previous prime is 10848820979. The next prime is 10848821017. The reversal of 10848820981 is 18902884801.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 10760742756 + 88078225 = 103734^2 + 9385^2 .
It is an emirp because it is prime and its reverse (18902884801) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 10848820981 - 21 = 10848820979 is a prime.
It is a super-2 number, since 2×108488209812 (a number of 21 digits) contains 22 as substring.
Together with 10848820979, 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 (10848820921) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5424410490 + 5424410491.
It is an arithmetic number, because the mean of its divisors is an integer number (5424410491).
Almost surely, 210848820981 is an apocalyptic number.
It is an amenable number.
10848820981 is a deficient number, since it is larger than the sum of its proper divisors (1).
10848820981 is an equidigital number, since it uses as much as digits as its factorization.
10848820981 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 294912, while the sum is 49.
The spelling of 10848820981 in words is "ten billion, eight hundred forty-eight million, eight hundred twenty thousand, nine hundred eighty-one".
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