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16929480789 = 331348232139
BaseRepresentation
bin11111100010001001…
…10110000001010101
31121200211210201202000
433301010312001111
5234132421341124
611435521305513
71136346132564
oct176104660125
947624721660
1016929480789
1171a8283541
123345795299
13179a502470
14b685a3bdb
156913e76c9
hex3f1136055

16929480789 has 16 divisors (see below), whose sum is σ = 27009998400. Its totient is φ = 10418141808.

The previous prime is 16929480779. The next prime is 16929480791. The reversal of 16929480789 is 98708492961.

16929480789 is a `hidden beast` number, since 1 + 69 + 29 + 480 + 78 + 9 = 666.

It is a de Polignac number, because none of the positive numbers 2k-16929480789 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16929480779) 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, 24115719 + ... + 24116420.

It is an arithmetic number, because the mean of its divisors is an integer number (1688124900).

Almost surely, 216929480789 is an apocalyptic number.

It is an amenable number.

16929480789 is a deficient number, since it is larger than the sum of its proper divisors (10080517611).

16929480789 is a wasteful number, since it uses less digits than its factorization.

16929480789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48232161 (or 48232155 counting only the distinct ones).

The product of its (nonzero) digits is 15676416, while the sum is 63.

The spelling of 16929480789 in words is "sixteen billion, nine hundred twenty-nine million, four hundred eighty thousand, seven hundred eighty-nine".

Divisors: 1 3 9 13 27 39 117 351 48232139 144696417 434089251 627017807 1302267753 1881053421 5643160263 16929480789