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212844339076 = 22389136789421
BaseRepresentation
bin1100011000111010000…
…0101101111110000100
3202100101111011201022111
43012032200231332010
511441401122322301
6241440200510404
721243324013465
oct3061640557604
9670344151274
10212844339076
11822a3098266
123530117b404
13170c038c405
14a431ccad6c
15580adc9551
hex318e82df84

212844339076 has 12 divisors (see below), whose sum is σ = 373435122060. Its totient is φ = 106148589920.

The previous prime is 212844339061. The next prime is 212844339109. The reversal of 212844339076 is 670933448212.

It can be written as a sum of positive squares in 2 ways, for example, as 45358776576 + 167485562500 = 212976^2 + 409250^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68393155 + ... + 68396266.

It is an arithmetic number, because the mean of its divisors is an integer number (31119593505).

Almost surely, 2212844339076 is an apocalyptic number.

It is an amenable number.

212844339076 is a deficient number, since it is larger than the sum of its proper divisors (160590782984).

212844339076 is a wasteful number, since it uses less digits than its factorization.

212844339076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136789814 (or 136789812 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 49.

The spelling of 212844339076 in words is "two hundred twelve billion, eight hundred forty-four million, three hundred thirty-nine thousand, seventy-six".

Divisors: 1 2 4 389 778 1556 136789421 273578842 547157684 53211084769 106422169538 212844339076