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30106844439 = 374143899137
BaseRepresentation
bin11100000010100000…
…011111110100010111
32212201012100011101120
4130002200133310113
5443124323010224
621455250055023
72114034645450
oct340240376427
985635304346
1030106844439
111184a58a921
125a0287a473
132aba564069
1416586dc127
15bb31d1779
hex70281fd17

30106844439 has 64 divisors (see below), whose sum is σ = 48634629120. Its totient is φ = 16207994880.

The previous prime is 30106844437. The next prime is 30106844477. The reversal of 30106844439 is 93444860103.

It is not a de Polignac number, because 30106844439 - 21 = 30106844437 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30106844439.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30106844437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3290479 + ... + 3299615.

It is an arithmetic number, because the mean of its divisors is an integer number (759916080).

Almost surely, 230106844439 is an apocalyptic number.

30106844439 is a deficient number, since it is larger than the sum of its proper divisors (18527784681).

30106844439 is a wasteful number, since it uses less digits than its factorization.

30106844439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9320.

The product of its (nonzero) digits is 248832, while the sum is 42.

The spelling of 30106844439 in words is "thirty billion, one hundred six million, eight hundred forty-four thousand, four hundred thirty-nine".

Divisors: 1 3 7 21 41 43 89 123 129 267 287 301 623 861 903 1763 1869 3649 3827 5289 9137 10947 11481 12341 25543 26789 27411 37023 63959 76629 80367 156907 191877 374617 392891 470721 813193 1098349 1123851 1178673 2439579 2622319 2750237 3295047 5692351 7866957 8250711 16108531 17077053 33340913 34967299 48325593 100022739 104901897 112759717 233386391 244771093 338279151 700159173 734313279 1433659259 4300977777 10035614813 30106844439