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4142856281 = 107316312241
BaseRepresentation
bin1111011011101110…
…1111100001011001
3101200201111220102112
43312323233201121
531441032400111
61523031442105
7204443461124
oct36673574131
911621456375
104142856281
111836597273
12977526335
135103bbb65
142b42dd3bb
15193a92e8b
hexf6eef859

4142856281 has 8 divisors (see below), whose sum is σ = 4183238304. Its totient is φ = 4102505280.

The previous prime is 4142856269. The next prime is 4142856307. The reversal of 4142856281 is 1826582414.

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

It is a cyclic number.

It is not a de Polignac number, because 4142856281 - 26 = 4142856217 is a prime.

It is a super-2 number, since 2×41428562812 = 34326516330042301922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4142856241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 332321 + ... + 344561.

It is an arithmetic number, because the mean of its divisors is an integer number (522904788).

Almost surely, 24142856281 is an apocalyptic number.

It is an amenable number.

4142856281 is a deficient number, since it is larger than the sum of its proper divisors (40382023).

4142856281 is a wasteful number, since it uses less digits than its factorization.

4142856281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15511.

The product of its digits is 122880, while the sum is 41.

The square root of 4142856281 is about 64365.0237396057. The cubic root of 4142856281 is about 1606.0779605171.

The spelling of 4142856281 in words is "four billion, one hundred forty-two million, eight hundred fifty-six thousand, two hundred eighty-one".

Divisors: 1 107 3163 12241 338441 1309787 38718283 4142856281