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208827286322 = 23231312
BaseRepresentation
bin1100001001111100010…
…0111000001100110010
3201222000112101021212212
43002133010320030302
511410134241130242
6235533421252122
721041635434434
oct3023704701462
9658015337785
10208827286322
1180621617056
123457ba04042
1316900079c15
14a1705b8654
1556733d6782
hex309f138332

208827286322 has 6 divisors (see below), whose sum is σ = 313241898879. Its totient is φ = 104413320030.

The previous prime is 208827286279. The next prime is 208827286337. The reversal of 208827286322 is 223682728802.

It can be written as a sum of positive squares in only one way, i.e., 104413643161 + 104413643161 = 323131^2 + 323131^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=323131.

It is a super-2 number, since 2×2088272863222 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 484697 + ... + 807827.

Almost surely, 2208827286322 is an apocalyptic number.

208827286322 is a deficient number, since it is larger than the sum of its proper divisors (104414612557).

208827286322 is an frugal number, since it uses more digits than its factorization.

208827286322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 646264 (or 323133 counting only the distinct ones).

The product of its (nonzero) digits is 2064384, while the sum is 50.

Multiplying 208827286322 by its sum of digits (50), we get a square (10441364316100 = 32313102).

The spelling of 208827286322 in words is "two hundred eight billion, eight hundred twenty-seven million, two hundred eighty-six thousand, three hundred twenty-two".

Divisors: 1 2 323131 646262 104413643161 208827286322