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3211143340 = 2251972293559
BaseRepresentation
bin1011111101100110…
…0010100010101100
322021210022222112211
42333121202202230
523034023041330
61250345540204
7142401160636
oct27731424254
98253288484
103211143340
1113a8674579
127574a4664
133c2370922
14226689a56
1513bd9ed2a
hexbf6628ac

3211143340 has 48 divisors (see below), whose sum is σ = 6809140800. Its totient is φ = 1271999232.

The previous prime is 3211143337. The next prime is 3211143359. The reversal of 3211143340 is 433411123.

It is a super-2 number, since 2×32111433402 = 20622883100052711200, which contains 22 as substring.

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, 900481 + ... + 904039.

It is an arithmetic number, because the mean of its divisors is an integer number (141857100).

Almost surely, 23211143340 is an apocalyptic number.

It is an amenable number.

3211143340 is an abundant number, since it is smaller than the sum of its proper divisors (3597997460).

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

3211143340 is a wasteful number, since it uses less digits than its factorization.

3211143340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3994 (or 3992 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 3211143340 is about 56666.9510385022. The cubic root of 3211143340 is about 1475.3211350955.

Adding to 3211143340 its reverse (433411123), we get a palindrome (3644554463).

The spelling of 3211143340 in words is "three billion, two hundred eleven million, one hundred forty-three thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 197 229 394 458 788 916 985 1145 1970 2290 3559 3940 4580 7118 14236 17795 35590 45113 71180 90226 180452 225565 451130 701123 815011 902260 1402246 1630022 2804492 3260044 3505615 4075055 7011230 8150110 14022460 16300220 160557167 321114334 642228668 802785835 1605571670 3211143340