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206103288196 = 221321929192
BaseRepresentation
bin1011111111110010110…
…1101001100110000100
3201200222200200211221101
42333330231221212010
511334044420210241
6234403232425444
720614301021101
oct2777455514604
9650880624841
10206103288196
117a453a29a33
1233b3b6a8284
1316587910300
149d928d9aa8
1555641b0e31
hex2ffcb69984

206103288196 has 81 divisors (see below), whose sum is σ = 412646302341. Its totient is φ = 90019975968.

The previous prime is 206103288119. The next prime is 206103288203. The reversal of 206103288196 is 691882301602.

The square root of 206103288196 is 453986.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 30488652100 + 175614636096 = 174610^2 + 419064^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 224268625 + ... + 224269543.

Almost surely, 2206103288196 is an apocalyptic number.

206103288196 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

206103288196 is the 453986-th square number.

It is an amenable number.

206103288196 is an abundant number, since it is smaller than the sum of its proper divisors (206543014145).

206103288196 is an equidigital number, since it uses as much as digits as its factorization.

206103288196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1906 (or 953 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 46.

Adding to 206103288196 its reverse (691882301602), we get a palindrome (897985589798).

The spelling of 206103288196 in words is "two hundred six billion, one hundred three million, two hundred eighty-eight thousand, one hundred ninety-six".

Divisors: 1 2 4 13 19 26 38 52 76 169 247 338 361 494 676 722 919 988 1444 1838 3211 3676 4693 6422 9386 11947 12844 17461 18772 23894 34922 47788 61009 69844 122018 155311 226993 244036 310622 331759 453986 621244 663518 844561 907972 1327036 1689122 2950909 3378244 4312867 5901818 8625734 10979293 11803636 16046659 17251468 21958586 32093318 43917172 56067271 64186636 112134542 142730809 208606567 224269084 285461618 304886521 417213134 570923236 609773042 834426268 1219546084 2711885371 3963524773 5423770742 7927049546 10847541484 15854099092 51525822049 103051644098 206103288196