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4142785943 = 27115287033
BaseRepresentation
bin1111011011101101…
…1110010110010111
3101200201101022221102
43312323132112113
531441023122233
61523030140315
7204443046062
oct36673362627
911621338842
104142785943
11183654943a
129774b169b
13510395b3a
142b42c18d9
15193a7c1e8
hexf6ede597

4142785943 has 4 divisors (see below), whose sum is σ = 4158073248. Its totient is φ = 4127498640.

The previous prime is 4142785939. The next prime is 4142785961. The reversal of 4142785943 is 3495872414.

4142785943 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3495872414 = 21747936207.

It is a cyclic number.

It is not a de Polignac number, because 4142785943 - 22 = 4142785939 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4142785963) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7643246 + ... + 7643787.

It is an arithmetic number, because the mean of its divisors is an integer number (1039518312).

Almost surely, 24142785943 is an apocalyptic number.

4142785943 is a deficient number, since it is larger than the sum of its proper divisors (15287305).

4142785943 is a wasteful number, since it uses less digits than its factorization.

4142785943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15287304.

The product of its digits is 967680, while the sum is 47.

The square root of 4142785943 is about 64364.4773380473. The cubic root of 4142785943 is about 1606.0688710593.

The spelling of 4142785943 in words is "four billion, one hundred forty-two million, seven hundred eighty-five thousand, nine hundred forty-three".

Divisors: 1 271 15287033 4142785943