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3281968500 = 223532187979
BaseRepresentation
bin1100001110011110…
…1101110101110100
322110201121021101220
43003213231311310
523210140443000
61301355550340
7144221162166
oct30347556564
98421537356
103281968500
111434649568
1277715b3b0
13403c3abc5
14231c44936
151431e01a0
hexc39edd74

3281968500 has 48 divisors (see below), whose sum is σ = 9557096640. Its totient is φ = 875191200.

The previous prime is 3281968489. The next prime is 3281968517. The reversal of 3281968500 is 58691823.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1092490 + ... + 1095489.

It is an arithmetic number, because the mean of its divisors is an integer number (199106180).

Almost surely, 23281968500 is an apocalyptic number.

3281968500 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3281968500 is an abundant number, since it is smaller than the sum of its proper divisors (6275128140).

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

3281968500 is a wasteful number, since it uses less digits than its factorization.

3281968500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2188001 (or 2187989 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 42.

The square root of 3281968500 is about 57288.4674258266. The cubic root of 3281968500 is about 1486.0889426985.

The spelling of 3281968500 in words is "three billion, two hundred eighty-one million, nine hundred sixty-eight thousand, five hundred".

Divisors: 1 2 3 4 5 6 10 12 15 20 25 30 50 60 75 100 125 150 250 300 375 500 750 1500 2187979 4375958 6563937 8751916 10939895 13127874 21879790 26255748 32819685 43759580 54699475 65639370 109398950 131278740 164098425 218797900 273497375 328196850 546994750 656393700 820492125 1093989500 1640984250 3281968500