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16486870016 = 21085718787
BaseRepresentation
bin11110101101011000…
…11010110000000000
31120112222221202220102
433112230122300000
5232231114320031
611323550501532
71122363040301
oct172654326000
946488852812
1016486870016
116aa0454511
1232415048a8
1317298c1bb6
14b258aa7a8
156676187cb
hex3d6b1ac00

16486870016 has 44 divisors (see below), whose sum is σ = 32997852888. Its totient is φ = 8233377792.

The previous prime is 16486870013. The next prime is 16486870039. The reversal of 16486870016 is 61007868461.

It is not an unprimeable number, because it can be changed into a prime (16486870013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 868175 + ... + 886961.

It is an arithmetic number, because the mean of its divisors is an integer number (749951202).

Almost surely, 216486870016 is an apocalyptic number.

16486870016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16486870016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16498926444).

16486870016 is an abundant number, since it is smaller than the sum of its proper divisors (16510982872).

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

16486870016 is an equidigital number, since it uses as much as digits as its factorization.

16486870016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19664 (or 19646 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 47.

The spelling of 16486870016 in words is "sixteen billion, four hundred eighty-six million, eight hundred seventy thousand, sixteen".

Divisors: 1 2 4 8 16 32 64 128 256 512 857 1024 1714 3428 6856 13712 18787 27424 37574 54848 75148 109696 150296 219392 300592 438784 601184 877568 1202368 2404736 4809472 9618944 16100459 19237888 32200918 64401836 128803672 257607344 515214688 1030429376 2060858752 4121717504 8243435008 16486870016