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8206221485 = 571121314861
BaseRepresentation
bin1111010010010000…
…10000000010101101
3210011220110020121002
413221020100002231
5113301243041420
63434143450045
7410233505660
oct75110200255
923156406532
108206221485
11353121a730
1217102b6925
13a0a198177
1457bc296d7
15330683075
hex1e92100ad

8206221485 has 16 divisors (see below), whose sum is σ = 12277360512. Its totient is φ = 5115566400.

The previous prime is 8206221473. The next prime is 8206221493. The reversal of 8206221485 is 5841226028.

It is not a de Polignac number, because 8206221485 - 26 = 8206221421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10657046 + ... + 10657815.

It is an arithmetic number, because the mean of its divisors is an integer number (767335032).

Almost surely, 28206221485 is an apocalyptic number.

It is an amenable number.

8206221485 is a deficient number, since it is larger than the sum of its proper divisors (4071139027).

8206221485 is a wasteful number, since it uses less digits than its factorization.

8206221485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21314884.

The product of its (nonzero) digits is 61440, while the sum is 38.

The square root of 8206221485 is about 90588.1972720508. The cubic root of 8206221485 is about 2017.0395385333.

The spelling of 8206221485 in words is "eight billion, two hundred six million, two hundred twenty-one thousand, four hundred eighty-five".

Divisors: 1 5 7 11 35 55 77 385 21314861 106574305 149204027 234463471 746020135 1172317355 1641244297 8206221485