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16208083020 = 22351811492457
BaseRepresentation
bin11110001100001001…
…11011100001001100
31112211120100221001010
433012010323201030
5231143232124040
611240151245220
71112436301233
oct170604734114
945746327033
1016208083020
116968049738
123184079810
1316b3c1068c
14ada859b1a
1564cde9e80
hex3c613b84c

16208083020 has 48 divisors (see below), whose sum is σ = 45633395808. Its totient is φ = 4298273280.

The previous prime is 16208083013. The next prime is 16208083037. The reversal of 16208083020 is 2038080261.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 735369 + ... + 757088.

It is an arithmetic number, because the mean of its divisors is an integer number (950695746).

Almost surely, 216208083020 is an apocalyptic number.

16208083020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16208083020 is an abundant number, since it is smaller than the sum of its proper divisors (29425312788).

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

16208083020 is a wasteful number, since it uses less digits than its factorization.

16208083020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1492650 (or 1492648 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The spelling of 16208083020 in words is "sixteen billion, two hundred eight million, eighty-three thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 181 362 543 724 905 1086 1810 2172 2715 3620 5430 10860 1492457 2984914 4477371 5969828 7462285 8954742 14924570 17909484 22386855 29849140 44773710 89547420 270134717 540269434 810404151 1080538868 1350673585 1620808302 2701347170 3241616604 4052020755 5402694340 8104041510 16208083020