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8001285146 = 216572414389
BaseRepresentation
bin1110111001110100…
…11110110000011010
3202122121211101210022
413130322132300122
5112341312111041
63401543150442
7402164541641
oct73472366032
922577741708
108001285146
113436575a58
121673745422
139a68a306a
1455c920358
1531c6a124b
hex1dce9ec1a

8001285146 has 8 divisors (see below), whose sum is σ = 12009175860. Its totient is φ = 3998226528.

The previous prime is 8001285139. The next prime is 8001285151. The reversal of 8001285146 is 6415821008.

It can be written as a sum of positive squares in 2 ways, for example, as 7874610121 + 126675025 = 88739^2 + 11255^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 1203881 + ... + 1210508.

Almost surely, 28001285146 is an apocalyptic number.

8001285146 is a deficient number, since it is larger than the sum of its proper divisors (4007890714).

8001285146 is a wasteful number, since it uses less digits than its factorization.

8001285146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2416048.

The product of its (nonzero) digits is 15360, while the sum is 35.

The square root of 8001285146 is about 89449.9029960346. The cubic root of 8001285146 is about 2000.1070897658.

The spelling of 8001285146 in words is "eight billion, one million, two hundred eighty-five thousand, one hundred forty-six".

Divisors: 1 2 1657 3314 2414389 4828778 4000642573 8001285146