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285716030146 = 2142858015073
BaseRepresentation
bin1000010100001100000…
…00001010001011000010
31000022111001010011202121
410022012000022023002
514140121300431041
6335131154034454
726433211120351
oct4120600121302
91008431104677
10285716030146
11100198283338
1247459878a2a
1320c34745441
14db86069998
1576736867d1
hex428600a2c2

285716030146 has 4 divisors (see below), whose sum is σ = 428574045222. Its totient is φ = 142858015072.

The previous prime is 285716030099. The next prime is 285716030177. The reversal of 285716030146 is 641030617582.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 198697520025 + 87018510121 = 445755^2 + 294989^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71429007535 + ... + 71429007538.

Almost surely, 2285716030146 is an apocalyptic number.

285716030146 is a deficient number, since it is larger than the sum of its proper divisors (142858015076).

285716030146 is a wasteful number, since it uses less digits than its factorization.

285716030146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142858015075.

The product of its (nonzero) digits is 241920, while the sum is 43.

The spelling of 285716030146 in words is "two hundred eighty-five billion, seven hundred sixteen million, thirty thousand, one hundred forty-six".

Divisors: 1 2 142858015073 285716030146