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2857104212 = 2231431573413
BaseRepresentation
bin1010101001001011…
…1111001101010100
321101010010221011112
42222102333031110
521322404313322
61151301354152
7130541661614
oct25222771524
97333127145
102857104212
111236840756
12678a08958
13366c02111
141d164aa44
1511ac695e2
hexaa4bf354

2857104212 has 48 divisors (see below), whose sum is σ = 5316444672. Its totient is φ = 1341325440.

The previous prime is 2857104179. The next prime is 2857104247. The reversal of 2857104212 is 2124017582.

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 835418 + ... + 838830.

It is an arithmetic number, because the mean of its divisors is an integer number (110759264).

Almost surely, 22857104212 is an apocalyptic number.

It is an amenable number.

2857104212 is a deficient number, since it is larger than the sum of its proper divisors (2459340460).

2857104212 is a wasteful number, since it uses less digits than its factorization.

2857104212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3648 (or 3646 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 32.

The square root of 2857104212 is about 53451.8868890519. The cubic root of 2857104212 is about 1418.9770143129.

The spelling of 2857104212 in words is "two billion, eight hundred fifty-seven million, one hundred four thousand, two hundred twelve".

Divisors: 1 2 4 31 43 62 86 124 157 172 314 628 1333 2666 3413 4867 5332 6751 6826 9734 13502 13652 19468 27004 105803 146759 209281 211606 293518 418562 423212 535841 587036 837124 1071682 2143364 4549529 9099058 16611071 18198116 23041163 33222142 46082326 66444284 92164652 714276053 1428552106 2857104212