Base | Representation |
---|---|
bin | 10010101001010010… |
… | …01000011101010001 |
3 | 221211121120212001021 |
4 | 21110221020131101 |
5 | 131000030101111 |
6 | 4333141035441 |
7 | 503025424015 |
oct | 112451103521 |
9 | 27747525037 |
10 | 10010003281 |
11 | 4277427693 |
12 | 1b343b5b81 |
13 | c36ab0685 |
14 | 6ad608545 |
15 | 3d8bd6d71 |
hex | 254a48751 |
10010003281 has 2 divisors, whose sum is σ = 10010003282. Its totient is φ = 10010003280.
The previous prime is 10010003279. The next prime is 10010003321. The reversal of 10010003281 is 18230001001.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 6285952656 + 3724050625 = 79284^2 + 61025^2 .
It is a cyclic number.
It is not a de Polignac number, because 10010003281 - 21 = 10010003279 is a prime.
It is a super-2 number, since 2×100100032812 (a number of 21 digits) contains 22 as substring.
Together with 10010003279, it forms a pair of twin primes.
It is not a weakly prime, because it can be changed into another prime (10010003251) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5005001640 + 5005001641.
It is an arithmetic number, because the mean of its divisors is an integer number (5005001641).
Almost surely, 210010003281 is an apocalyptic number.
It is an amenable number.
10010003281 is a deficient number, since it is larger than the sum of its proper divisors (1).
10010003281 is an equidigital number, since it uses as much as digits as its factorization.
10010003281 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 48, while the sum is 16.
Adding to 10010003281 its reverse (18230001001), we get a palindrome (28240004282).
The spelling of 10010003281 in words is "ten billion, ten million, three thousand, two hundred eighty-one".
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