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4839142539 = 372112992667
BaseRepresentation
bin1001000000110111…
…10111010010001011
3110111020200220121110
410200123313102023
534402310030124
62120103341403
7230630014200
oct44033672213
913436626543
104839142539
11206362a460
12b30751863
135c172aa6a
1433c98bca7
151d4c80029
hex1206f748b

4839142539 has 24 divisors (see below), whose sum is σ = 8187939648. Its totient is φ = 2513839440.

The previous prime is 4839142493. The next prime is 4839142541. The reversal of 4839142539 is 9352419384.

It is not a de Polignac number, because 4839142539 - 27 = 4839142411 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4839142559) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1494717 + ... + 1497950.

It is an arithmetic number, because the mean of its divisors is an integer number (341164152).

Almost surely, 24839142539 is an apocalyptic number.

4839142539 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

4839142539 is a deficient number, since it is larger than the sum of its proper divisors (3348797109).

4839142539 is a wasteful number, since it uses less digits than its factorization.

4839142539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2992695 (or 2992688 counting only the distinct ones).

The product of its digits is 933120, while the sum is 48.

The square root of 4839142539 is about 69563.9456830907. The cubic root of 4839142539 is about 1691.4382139906.

The spelling of 4839142539 in words is "four billion, eight hundred thirty-nine million, one hundred forty-two thousand, five hundred thirty-nine".

Divisors: 1 3 7 11 21 33 49 77 147 231 539 1617 2992667 8978001 20948669 32919337 62846007 98758011 146640683 230435359 439922049 691306077 1613047513 4839142539