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104943479209 = 197969915709
BaseRepresentation
bin110000110111100011…
…1100110100110101001
3101000212200200002212021
41201233013212212221
53204411012313314
6120113234544441
710403411566222
oct1415707464651
9330780602767
10104943479209
1140562949208
1218409438121
139b85a3bb7a
14511780c249
152ae3229324
hex186f1e69a9

104943479209 has 8 divisors (see below), whose sum is σ = 111865136000. Its totient is φ = 98161654032.

The previous prime is 104943479143. The next prime is 104943479219. The reversal of 104943479209 is 902974349401.

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-104943479209 is a prime.

It is a super-2 number, since 2×1049434792092 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104943479219) 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, 34956354 + ... + 34959355.

It is an arithmetic number, because the mean of its divisors is an integer number (13983142000).

Almost surely, 2104943479209 is an apocalyptic number.

104943479209 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

104943479209 is a deficient number, since it is larger than the sum of its proper divisors (6921656791).

104943479209 is an equidigital number, since it uses as much as digits as its factorization.

104943479209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69915807.

The product of its (nonzero) digits is 1959552, while the sum is 52.

The spelling of 104943479209 in words is "one hundred four billion, nine hundred forty-three million, four hundred seventy-nine thousand, two hundred nine".

Divisors: 1 19 79 1501 69915709 1328398471 5523341011 104943479209