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104855043949 is a prime number
BaseRepresentation
bin110000110100111011…
…0001111111101101101
3101000122112021010111021
41201221312033331231
53204220342401244
6120100355254141
710401256111405
oct1415166177555
9330575233437
10104855043949
1140517a36517
12183a38aa351
139b70617206
145109b8b805
152ada5ab284
hex1869d8ff6d

104855043949 has 2 divisors, whose sum is σ = 104855043950. Its totient is φ = 104855043948.

The previous prime is 104855043941. The next prime is 104855043991. The reversal of 104855043949 is 949340558401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54098108100 + 50756935849 = 232590^2 + 225293^2 .

It is a cyclic number.

It is not a de Polignac number, because 104855043949 - 23 = 104855043941 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 104855043896 and 104855043905.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104855043941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52427521974 + 52427521975.

It is an arithmetic number, because the mean of its divisors is an integer number (52427521975).

Almost surely, 2104855043949 is an apocalyptic number.

It is an amenable number.

104855043949 is a deficient number, since it is larger than the sum of its proper divisors (1).

104855043949 is an equidigital number, since it uses as much as digits as its factorization.

104855043949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3110400, while the sum is 52.

The spelling of 104855043949 in words is "one hundred four billion, eight hundred fifty-five million, forty-three thousand, nine hundred forty-nine".