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104810813 is a prime number
BaseRepresentation
bin1100011111101…
…00100100111101
321022012221101222
412033310210331
5203312421223
614222243125
72411606612
oct617644475
9238187358
10104810813
1154187a08
122b1264a5
1318939443
14dcc4509
1593050c8
hex63f493d

104810813 has 2 divisors, whose sum is σ = 104810814. Its totient is φ = 104810812.

The previous prime is 104810809. The next prime is 104810833. The reversal of 104810813 is 318018401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 63568729 + 41242084 = 7973^2 + 6422^2 .

It is a cyclic number.

It is not a de Polignac number, because 104810813 - 22 = 104810809 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104810833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52405406 + 52405407.

It is an arithmetic number, because the mean of its divisors is an integer number (52405407).

Almost surely, 2104810813 is an apocalyptic number.

It is an amenable number.

104810813 is a deficient number, since it is larger than the sum of its proper divisors (1).

104810813 is an equidigital number, since it uses as much as digits as its factorization.

104810813 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768, while the sum is 26.

The square root of 104810813 is about 10237.7152236229. The cubic root of 104810813 is about 471.4858859828.

The spelling of 104810813 in words is "one hundred four million, eight hundred ten thousand, eight hundred thirteen".