Base | Representation |
---|---|
bin | 10010101001011011… |
… | …10010000000110111 |
3 | 221211200212202220122 |
4 | 21110231302000313 |
5 | 131000333101241 |
6 | 4333223122155 |
7 | 503041661234 |
oct | 112455620067 |
9 | 27750782818 |
10 | 10011222071 |
11 | 427808a354 |
12 | 1b348a335b |
13 | c37119356 |
14 | 6ad84478b |
15 | 3d8d7804b |
hex | 254b72037 |
10011222071 has 2 divisors, whose sum is σ = 10011222072. Its totient is φ = 10011222070.
The previous prime is 10011222047. The next prime is 10011222073. The reversal of 10011222071 is 17022211001.
It is a strong prime.
It is an emirp because it is prime and its reverse (17022211001) is a distict prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-10011222071 is a prime.
It is a super-4 number, since 4×100112220714 (a number of 41 digits) contains 4444 as substring.
Together with 10011222073, 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 (10011222073) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5005611035 + 5005611036.
It is an arithmetic number, because the mean of its divisors is an integer number (5005611036).
Almost surely, 210011222071 is an apocalyptic number.
10011222071 is a deficient number, since it is larger than the sum of its proper divisors (1).
10011222071 is an equidigital number, since it uses as much as digits as its factorization.
10011222071 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 56, while the sum is 17.
Adding to 10011222071 its reverse (17022211001), we get a palindrome (27033433072).
The spelling of 10011222071 in words is "ten billion, eleven million, two hundred twenty-two thousand, seventy-one".
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