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16530093980 = 2259713276421
BaseRepresentation
bin11110110010100010…
…10011011110011100
31120200000021210000222
433121101103132130
5232323201001410
611332133140512
71123426323551
oct173121233634
946600253028
1016530093980
1170128972a4
123253a8a738
131735846cca
14b2b51ca28
1566b305955
hex3d945379c

16530093980 has 48 divisors (see below), whose sum is σ = 35102960256. Its totient is φ = 6537922560.

The previous prime is 16530093961. The next prime is 16530094037. The reversal of 16530093980 is 8939003561.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2571170 + ... + 2577590.

It is an arithmetic number, because the mean of its divisors is an integer number (731311672).

Almost surely, 216530093980 is an apocalyptic number.

16530093980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16530093980 is an abundant number, since it is smaller than the sum of its proper divisors (18572866276).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16530093980 is a wasteful number, since it uses less digits than its factorization.

16530093980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7854 (or 7852 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 44.

The spelling of 16530093980 in words is "sixteen billion, five hundred thirty million, ninety-three thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 97 194 388 485 970 1327 1940 2654 5308 6421 6635 12842 13270 25684 26540 32105 64210 128420 128719 257438 514876 622837 643595 1245674 1287190 2491348 2574380 3114185 6228370 8520667 12456740 17041334 34082668 42603335 85206670 170413340 826504699 1653009398 3306018796 4132523495 8265046990 16530093980