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4820139786 = 2371128910657
BaseRepresentation
bin1000111110100110…
…10111111100001010
3110102220221110201210
410133103113330022
534332423433121
62114144153550
7230306340450
oct43723277412
913386843653
104820139786
112053930400
12b263088b6
135ba806527
1433a2429d0
151d3279876
hex11f4d7f0a

4820139786 has 96 divisors (see below), whose sum is σ = 12247320960. Its totient is φ = 1237800960.

The previous prime is 4820139763. The next prime is 4820139787. The reversal of 4820139786 is 6879310284.

It is not an unprimeable number, because it can be changed into a prime (4820139787) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 446970 + ... + 457626.

It is an arithmetic number, because the mean of its divisors is an integer number (127576260).

Almost surely, 24820139786 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4820139786, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6123660480).

4820139786 is an abundant number, since it is smaller than the sum of its proper divisors (7427181174).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4820139786 is a wasteful number, since it uses less digits than its factorization.

4820139786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10780 (or 10769 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 48.

The square root of 4820139786 is about 69427.2265469391. The cubic root of 4820139786 is about 1689.2212821700.

The spelling of 4820139786 in words is "four billion, eight hundred twenty million, one hundred thirty-nine thousand, seven hundred eighty-six".

Divisors: 1 2 3 6 7 11 14 21 22 33 42 66 77 89 121 154 178 231 242 267 363 462 534 623 726 847 979 1246 1694 1869 1958 2541 2937 3738 5082 5874 6853 10657 10769 13706 20559 21314 21538 31971 32307 41118 63942 64614 74599 75383 117227 149198 150766 223797 226149 234454 351681 447594 452298 703362 820589 948473 1289497 1641178 1896946 2461767 2578994 2845419 3868491 4923534 5690838 6639311 7736982 9026479 10433203 13278622 18052958 19917933 20866406 27079437 31299609 39835866 54158874 62599218 73032421 114765233 146064842 219097263 229530466 344295699 438194526 688591398 803356631 1606713262 2410069893 4820139786