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104855043989 = 837193175631
BaseRepresentation
bin110000110100111011…
…0001111111110010101
3101000122112021010112202
41201221312033332111
53204220342401424
6120100355254245
710401256111463
oct1415166177625
9330575233482
10104855043989
1140517a36553
12183a38aa385
139b70617237
145109b8b833
152ada5ab2ae
hex1869d8ff95

104855043989 has 8 divisors (see below), whose sum is σ = 106133715072. Its totient is φ = 103576738720.

The previous prime is 104855043949. The next prime is 104855043991. The reversal of 104855043989 is 989340558401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-104855043989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104855043949) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 509204 + ... + 684834.

It is an arithmetic number, because the mean of its divisors is an integer number (13266714384).

Almost surely, 2104855043989 is an apocalyptic number.

It is an amenable number.

104855043989 is a deficient number, since it is larger than the sum of its proper divisors (1278671083).

104855043989 is an equidigital number, since it uses as much as digits as its factorization.

104855043989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182907.

The product of its (nonzero) digits is 6220800, while the sum is 56.

The spelling of 104855043989 in words is "one hundred four billion, eight hundred fifty-five million, forty-three thousand, nine hundred eighty-nine".

Divisors: 1 83 7193 175631 597019 14577373 1263313783 104855043989