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8486521870 = 253127375877
BaseRepresentation
bin1111110011101011…
…00000110000001110
3210220102212222102211
413321311200300032
5114340022144440
63522035341034
7420206150161
oct77165406016
923812788384
108486521870
113665469542
12178a15177a
13a53289498
145a7151ad8
1534a09eeea
hex1f9d60c0e

8486521870 has 16 divisors (see below), whose sum is σ = 15768505728. Its totient is φ = 3285105120.

The previous prime is 8486521861. The next prime is 8486521871. The reversal of 8486521870 is 781256848.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8486521871) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 13687629 + ... + 13688248.

It is an arithmetic number, because the mean of its divisors is an integer number (985531608).

Almost surely, 28486521870 is an apocalyptic number.

8486521870 is a deficient number, since it is larger than the sum of its proper divisors (7281983858).

8486521870 is a wasteful number, since it uses less digits than its factorization.

8486521870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27375915.

The product of its (nonzero) digits is 860160, while the sum is 49.

The square root of 8486521870 is about 92122.3201509819. The cubic root of 8486521870 is about 2039.7482925055.

The spelling of 8486521870 in words is "eight billion, four hundred eighty-six million, five hundred twenty-one thousand, eight hundred seventy".

Divisors: 1 2 5 10 31 62 155 310 27375877 54751754 136879385 273758770 848652187 1697304374 4243260935 8486521870