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6800521450 = 252791721651
BaseRepresentation
bin1100101010101011…
…11011100011101010
3122112221101021122211
412111111323203222
5102411413141300
63042450435334
7330344323102
oct62525734352
918487337584
106800521450
11297a798468
121399592b4a
13844ba20b8
14487272202
1529c0644ba
hex19557b8ea

6800521450 has 24 divisors (see below), whose sum is σ = 12809090880. Its totient is φ = 2685774000.

The previous prime is 6800521447. The next prime is 6800521459. The reversal of 6800521450 is 541250086.

It is not an unprimeable number, because it can be changed into a prime (6800521459) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 856876 + ... + 864775.

It is an arithmetic number, because the mean of its divisors is an integer number (533712120).

Almost surely, 26800521450 is an apocalyptic number.

6800521450 is a deficient number, since it is larger than the sum of its proper divisors (6008569430).

6800521450 is a wasteful number, since it uses less digits than its factorization.

6800521450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1721742 (or 1721737 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 31.

The square root of 6800521450 is about 82465.2742067835. The cubic root of 6800521450 is about 1894.5848999009.

The spelling of 6800521450 in words is "six billion, eight hundred million, five hundred twenty-one thousand, four hundred fifty".

Divisors: 1 2 5 10 25 50 79 158 395 790 1975 3950 1721651 3443302 8608255 17216510 43041275 86082550 136010429 272020858 680052145 1360104290 3400260725 6800521450