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16204793493 = 371634734091
BaseRepresentation
bin11110001011110000…
…11000011010010101
31112211100011210122210
433011320120122111
5231141411342433
611235552544033
71112366320620
oct170570303225
945740153583
1016204793493
116966202219
123182b52019
1316b332b305
14ada240db7
1564c99a463
hex3c5e18695

16204793493 has 16 divisors (see below), whose sum is σ = 24844514816. Its totient is φ = 9203070960.

The previous prime is 16204793491. The next prime is 16204793537. The reversal of 16204793493 is 39439740261.

It is a happy number.

16204793493 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 16204793493 - 21 = 16204793491 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16204793491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2363623 + ... + 2370468.

It is an arithmetic number, because the mean of its divisors is an integer number (1552782176).

Almost surely, 216204793493 is an apocalyptic number.

It is an amenable number.

16204793493 is a deficient number, since it is larger than the sum of its proper divisors (8639721323).

16204793493 is a wasteful number, since it uses less digits than its factorization.

16204793493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4734264.

The product of its (nonzero) digits is 979776, while the sum is 48.

The spelling of 16204793493 in words is "sixteen billion, two hundred four million, seven hundred ninety-three thousand, four hundred ninety-three".

Divisors: 1 3 7 21 163 489 1141 3423 4734091 14202273 33138637 99415911 771656833 2314970499 5401597831 16204793493