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100000221017 is a prime number
BaseRepresentation
bin101110100100001111…
…0100100011101011001
3100120010012001120102112
41131020132210131121
53114300024033032
6113534531442105
710140045565604
oct1351036443531
9316105046375
10100000221017
1139456577164
1217469a56335
139578889218
144ba90bb33b
1529042801b2
hex17487a4759

100000221017 has 2 divisors, whose sum is σ = 100000221018. Its totient is φ = 100000221016.

The previous prime is 100000220989. The next prime is 100000221043. The reversal of 100000221017 is 710122000001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 59472089161 + 40528131856 = 243869^2 + 201316^2 .

It is a cyclic number.

It is not a de Polignac number, because 100000221017 - 26 = 100000220953 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 100000220992 and 100000221010.

It is not a weakly prime, because it can be changed into another prime (100000221047) 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, 50000110508 + 50000110509.

It is an arithmetic number, because the mean of its divisors is an integer number (50000110509).

Almost surely, 2100000221017 is an apocalyptic number.

It is an amenable number.

100000221017 is a deficient number, since it is larger than the sum of its proper divisors (1).

100000221017 is an equidigital number, since it uses as much as digits as its factorization.

100000221017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28, while the sum is 14.

Adding to 100000221017 its reverse (710122000001), we get a palindrome (810122221018).

The spelling of 100000221017 in words is "one hundred billion, two hundred twenty-one thousand, seventeen".