Base | Representation |
---|---|
bin | 10100001110010101… |
… | …11000111010000001 |
3 | 1001000200200222112221 |
4 | 22013022320322001 |
5 | 134214033311111 |
6 | 4553222251041 |
7 | 533031016522 |
oct | 120712707201 |
9 | 31020628487 |
10 | 10857713281 |
11 | 4671994768 |
12 | 2130286a81 |
13 | 10405c951c |
14 | 750032849 |
15 | 438335371 |
hex | 2872b8e81 |
10857713281 has 2 divisors, whose sum is σ = 10857713282. Its totient is φ = 10857713280.
The previous prime is 10857713093. The next prime is 10857713287. The reversal of 10857713281 is 18231775801.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 8743185025 + 2114528256 = 93505^2 + 45984^2 .
It is a cyclic number.
It is not a de Polignac number, because 10857713281 - 211 = 10857711233 is a prime.
It is a super-2 number, since 2×108577132812 (a number of 21 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (10857713287) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5428856640 + 5428856641.
It is an arithmetic number, because the mean of its divisors is an integer number (5428856641).
Almost surely, 210857713281 is an apocalyptic number.
It is an amenable number.
10857713281 is a deficient number, since it is larger than the sum of its proper divisors (1).
10857713281 is an equidigital number, since it uses as much as digits as its factorization.
10857713281 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 94080, while the sum is 43.
The spelling of 10857713281 in words is "ten billion, eight hundred fifty-seven million, seven hundred thirteen thousand, two hundred eighty-one".
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