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16584923007 = 322389512
BaseRepresentation
bin11110111001000100…
…11101011101111111
31120210211110101022200
433130202131131333
5232431220014012
611341412242543
71124663343132
oct173442353577
946724411280
1016584923007
117040836144
12326a310453
131744003413
14b34912219
156710363dc
hex3dc89d77f

16584923007 has 18 divisors (see below), whose sum is σ = 25000358136. Its totient is φ = 10574711400.

The previous prime is 16584922987. The next prime is 16584923021. The reversal of 16584923007 is 70032948561.

It is not a de Polignac number, because 16584923007 - 214 = 16584906623 is a prime.

It is a super-2 number, since 2×165849230072 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16584923057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1848382 + ... + 1857332.

It is a 1-persistent number, because it is pandigital, but 2⋅16584923007 = 33169846014 is not.

Almost surely, 216584923007 is an apocalyptic number.

16584923007 is a deficient number, since it is larger than the sum of its proper divisors (8415435129).

16584923007 is an frugal number, since it uses more digits than its factorization.

16584923007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17931 (or 8977 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The spelling of 16584923007 in words is "sixteen billion, five hundred eighty-four million, nine hundred twenty-three thousand, seven".

Divisors: 1 3 9 23 69 207 8951 26853 80559 205873 617619 1852857 80120401 240361203 721083609 1842769223 5528307669 16584923007