Base | Representation |
---|---|
bin | 10010101011110010… |
… | …10011110001110011 |
3 | 221220002010200011122 |
4 | 21111321103301303 |
5 | 131020420134141 |
6 | 4335211332455 |
7 | 503402162453 |
oct | 112571236163 |
9 | 27802120148 |
10 | 10031021171 |
11 | 4288282746 |
12 | 1b3b45112b |
13 | c3b25c1b2 |
14 | 6b2319d63 |
15 | 3da98964b |
hex | 255e53c73 |
10031021171 has 2 divisors, whose sum is σ = 10031021172. Its totient is φ = 10031021170.
The previous prime is 10031021093. The next prime is 10031021237. The reversal of 10031021171 is 17112013001.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 10031021171 - 222 = 10026826867 is a prime.
It is a super-2 number, since 2×100310211712 (a number of 21 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (10031021471) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5015510585 + 5015510586.
It is an arithmetic number, because the mean of its divisors is an integer number (5015510586).
Almost surely, 210031021171 is an apocalyptic number.
10031021171 is a deficient number, since it is larger than the sum of its proper divisors (1).
10031021171 is an equidigital number, since it uses as much as digits as its factorization.
10031021171 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 42, while the sum is 17.
Adding to 10031021171 its reverse (17112013001), we get a palindrome (27143034172).
The spelling of 10031021171 in words is "ten billion, thirty-one million, twenty-one thousand, one hundred seventy-one".
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