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290106806843 = 7163254256623
BaseRepresentation
bin1000011100010111011…
…01101001001000111011
31000201211001010202001202
410032023231221020323
514223114320304333
6341135003404415
726650055112530
oct4161355511073
91021731122052
10290106806843
11102040802907
124828422370b
13214842c9269
1410081262d87
15782dd9c5e8
hex438bb6923b

290106806843 has 8 divisors (see below), whose sum is σ = 333584690688. Its totient is φ = 247137436584.

The previous prime is 290106806809. The next prime is 290106806849. The reversal of 290106806843 is 348608601092.

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

It is a cyclic number.

It is not a de Polignac number, because 290106806843 - 214 = 290106790459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (290106806849) 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, 127127171 + ... + 127129452.

It is an arithmetic number, because the mean of its divisors is an integer number (41698086336).

Almost surely, 2290106806843 is an apocalyptic number.

290106806843 is a deficient number, since it is larger than the sum of its proper divisors (43477883845).

290106806843 is a wasteful number, since it uses less digits than its factorization.

290106806843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254256793.

The product of its (nonzero) digits is 497664, while the sum is 47.

The spelling of 290106806843 in words is "two hundred ninety billion, one hundred six million, eight hundred six thousand, eight hundred forty-three".

Divisors: 1 7 163 1141 254256623 1779796361 41443829549 290106806843