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16740641209 = 71544943271
BaseRepresentation
bin11111001011101000…
…11110100110111001
31121012200110200112111
433211310132212321
5233241101004314
611405054012321
71131564050065
oct174564364671
947180420474
1016740641209
117110723576
1232b24a70a1
13176a354c76
14b4b488aa5
1567ea44ec4
hex3e5d1e9b9

16740641209 has 8 divisors (see below), whose sum is σ = 16979932800. Its totient is φ = 16501447200.

The previous prime is 16740641189. The next prime is 16740641221. The reversal of 16740641209 is 90214604761.

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 16740641209 - 211 = 16740639161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16740641299) 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, 365244 + ... + 408514.

It is an arithmetic number, because the mean of its divisors is an integer number (2122491600).

Almost surely, 216740641209 is an apocalyptic number.

It is an amenable number.

16740641209 is a deficient number, since it is larger than the sum of its proper divisors (239291591).

16740641209 is an equidigital number, since it uses as much as digits as its factorization.

16740641209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48791.

The product of its (nonzero) digits is 72576, while the sum is 40.

The spelling of 16740641209 in words is "sixteen billion, seven hundred forty million, six hundred forty-one thousand, two hundred nine".

Divisors: 1 71 5449 43271 386879 3072241 235783679 16740641209