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1689412470190 = 25168941247019
BaseRepresentation
bin11000100101011000110…
…101001000010110101110
312222111200001121120201021
4120211120311020112232
5210134404043021230
63332034432204354
7233025134026504
oct30453065102656
95874601546637
101689412470190
115a1526329755
122335049996ba
13c34070c7733
145baa756a674
152de2b0a7c7a
hex18958d485ae

1689412470190 has 8 divisors (see below), whose sum is σ = 3040942446360. Its totient is φ = 675764988072.

The previous prime is 1689412470149. The next prime is 1689412470203. The reversal of 1689412470190 is 910742149861.

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

It is a super-3 number, since 3×16894124701903 (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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, 84470623500 + ... + 84470623519.

It is an arithmetic number, because the mean of its divisors is an integer number (380117805795).

Almost surely, 21689412470190 is an apocalyptic number.

1689412470190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1689412470190 is a deficient number, since it is larger than the sum of its proper divisors (1351529976170).

1689412470190 is a wasteful number, since it uses less digits than its factorization.

1689412470190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168941247026.

The product of its (nonzero) digits is 870912, while the sum is 52.

The spelling of 1689412470190 in words is "one trillion, six hundred eighty-nine billion, four hundred twelve million, four hundred seventy thousand, one hundred ninety".

Divisors: 1 2 5 10 168941247019 337882494038 844706235095 1689412470190