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208286314368 = 27311436411789
BaseRepresentation
bin1100000111111011010…
…1001110111110000000
3201220121211110001212120
43001332311032332000
511403032244024433
6235404014324240
721022346313636
oct3017665167600
9656554401776
10208286314368
11803742158a0
123444a7b9680
1316844c7aa82
14a11c7d9356
155640b787b3
hex307ed4ef80

208286314368 has 256 divisors, whose sum is σ = 618902380800. Its totient is φ = 61518643200.

The previous prime is 208286314337. The next prime is 208286314507. The reversal of 208286314368 is 863413682802.

It is a self number, because there is not a number n which added to its sum of digits gives 208286314368.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 116425218 + ... + 116427006.

It is an arithmetic number, because the mean of its divisors is an integer number (2417587425).

Almost surely, 2208286314368 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 208286314368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (309451190400).

208286314368 is an abundant number, since it is smaller than the sum of its proper divisors (410616066432).

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

208286314368 is a wasteful number, since it uses less digits than its factorization.

208286314368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2501 (or 2489 counting only the distinct ones).

The product of its (nonzero) digits is 2654208, while the sum is 51.

The spelling of 208286314368 in words is "two hundred eight billion, two hundred eighty-six million, three hundred fourteen thousand, three hundred sixty-eight".