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100404211 is a prime number
BaseRepresentation
bin1011111110000…
…00101111110011
320222221001200111
411333000233303
5201200413321
613544002151
72326264435
oct577005763
9228831614
10100404211
1151748196
1229760357
1317a5579b
14d498655
158c345e1
hex5fc0bf3

100404211 has 2 divisors, whose sum is σ = 100404212. Its totient is φ = 100404210.

The previous prime is 100404209. The next prime is 100404217. The reversal of 100404211 is 112404001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100404211 - 21 = 100404209 is a prime.

Together with 100404209, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 100404191 and 100404200.

It is not a weakly prime, because it can be changed into another prime (100404217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50202105 + 50202106.

It is an arithmetic number, because the mean of its divisors is an integer number (50202106).

Almost surely, 2100404211 is an apocalyptic number.

100404211 is a deficient number, since it is larger than the sum of its proper divisors (1).

100404211 is an equidigital number, since it uses as much as digits as its factorization.

100404211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 100404211 is about 10020.1901678561. The cubic root of 100404211 is about 464.7834363663.

Adding to 100404211 its reverse (112404001), we get a palindrome (212808212).

The spelling of 100404211 in words is "one hundred million, four hundred four thousand, two hundred eleven".