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16628868823 = 710723992893
BaseRepresentation
bin11110111110010100…
…00110011011010111
31120220220011001122111
433133022012123113
5233023442300243
611350022211451
71126036024060
oct173712063327
946826131574
1016628868823
1170636212a6
123280b83b87
13175014bc68
14b3a6b1567
15674d1739d
hex3df2866d7

16628868823 has 16 divisors (see below), whose sum is σ = 19262499840. Its totient is φ = 14060876256.

The previous prime is 16628868791. The next prime is 16628868857. The reversal of 16628868823 is 32886882661.

It is not a de Polignac number, because 16628868823 - 25 = 16628868791 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16628868863) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132565 + ... + 225457.

It is an arithmetic number, because the mean of its divisors is an integer number (1203906240).

Almost surely, 216628868823 is an apocalyptic number.

16628868823 is a deficient number, since it is larger than the sum of its proper divisors (2633631017).

16628868823 is a wasteful number, since it uses less digits than its factorization.

16628868823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93246.

The product of its digits is 10616832, while the sum is 58.

The spelling of 16628868823 in words is "sixteen billion, six hundred twenty-eight million, eight hundred sixty-eight thousand, eight hundred twenty-three".

Divisors: 1 7 107 239 749 1673 25573 92893 179011 650251 9939551 22201427 69576857 155409989 2375552689 16628868823