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16440450287700 = 2235254801500959
BaseRepresentation
bin1110111100111101011100…
…1100110000100001010100
32011012200200020200200211010
43233033113030300201110
54123330020233201300
654544345534212220
73314532453465435
oct357172714604124
964180606620733
1016440450287700
1152693a06496aa
121a16329654070
1392343527681a
1440ba173c348c
151d79c1aa4a50
hexef3d7330854

16440450287700 has 36 divisors (see below), whose sum is σ = 47567702833280. Its totient is φ = 4384120076640.

The previous prime is 16440450287699. The next prime is 16440450287713. The reversal of 16440450287700 is 778205404461.

It is a super-3 number, since 3×164404502877003 (a number of 41 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16440450287700.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 27400750180 + ... + 27400750779.

Almost surely, 216440450287700 is an apocalyptic number.

16440450287700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16440450287700 is an abundant number, since it is smaller than the sum of its proper divisors (31127252545580).

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

16440450287700 is a wasteful number, since it uses less digits than its factorization.

16440450287700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54801500976 (or 54801500969 counting only the distinct ones).

The product of its (nonzero) digits is 1505280, while the sum is 48.

The spelling of 16440450287700 in words is "sixteen trillion, four hundred forty billion, four hundred fifty million, two hundred eighty-seven thousand, seven hundred".

Divisors: 1 2 3 4 5 6 10 12 15 20 25 30 50 60 75 100 150 300 54801500959 109603001918 164404502877 219206003836 274007504795 328809005754 548015009590 657618011508 822022514385 1096030019180 1370037523975 1644045028770 2740075047950 3288090057540 4110112571925 5480150095900 8220225143850 16440450287700