Base | Representation |
---|---|
bin | 111110100111100… |
… | …100100111010101 |
3 | 2201012211000201222 |
4 | 332213210213111 |
5 | 4122420422411 |
6 | 252125100125 |
7 | 35014423001 |
oct | 7647444725 |
9 | 2635730658 |
10 | 1050560981 |
11 | 49a018018 |
12 | 2539b7645 |
13 | 139860a22 |
14 | 9d74d701 |
15 | 6236c4db |
hex | 3e9e49d5 |
1050560981 has 2 divisors, whose sum is σ = 1050560982. Its totient is φ = 1050560980.
The previous prime is 1050560969. The next prime is 1050560983. The reversal of 1050560981 is 1890650501.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 1050408100 + 152881 = 32410^2 + 391^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1050560981 is a prime.
It is a super-2 number, since 2×10505609812 = 2207356749599364722, which contains 22 as substring.
Together with 1050560983, it forms a pair of twin primes.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1050560983) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 525280490 + 525280491.
It is an arithmetic number, because the mean of its divisors is an integer number (525280491).
Almost surely, 21050560981 is an apocalyptic number.
It is an amenable number.
1050560981 is a deficient number, since it is larger than the sum of its proper divisors (1).
1050560981 is an equidigital number, since it uses as much as digits as its factorization.
1050560981 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 10800, while the sum is 35.
The square root of 1050560981 is about 32412.3584609328. The cubic root of 1050560981 is about 1016.5773338092.
The spelling of 1050560981 in words is "one billion, fifty million, five hundred sixty thousand, nine hundred eighty-one".
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