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17105134432 = 254312431057
BaseRepresentation
bin11111110111000101…
…11010001101100000
31122011002022212020111
433323202322031200
5240012403300212
611505154221104
71143611146411
oct177342721540
948132285214
1017105134432
117288447741
123394584794
1317c7a13c29
14b83a49808
156a1a42ea7
hex3fb8ba360

17105134432 has 24 divisors (see below), whose sum is σ = 34458892776. Its totient is φ = 8353669632.

The previous prime is 17105134429. The next prime is 17105134463. The reversal of 17105134432 is 23443150171.

It is a junction number, because it is equal to n+sod(n) for n = 17105134394 and 17105134403.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6214153 + ... + 6216904.

It is an arithmetic number, because the mean of its divisors is an integer number (1435787199).

Almost surely, 217105134432 is an apocalyptic number.

It is an amenable number.

17105134432 is an abundant number, since it is smaller than the sum of its proper divisors (17353758344).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

17105134432 is a wasteful number, since it uses less digits than its factorization.

17105134432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12431110 (or 12431102 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The spelling of 17105134432 in words is "seventeen billion, one hundred five million, one hundred thirty-four thousand, four hundred thirty-two".

Divisors: 1 2 4 8 16 32 43 86 172 344 688 1376 12431057 24862114 49724228 99448456 198896912 397793824 534535451 1069070902 2138141804 4276283608 8552567216 17105134432