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30706054137 = 32112927738611
BaseRepresentation
bin11100100110001110…
…010011001111111001
32221020221212011120100
4130212032103033321
51000341222213022
622034533150013
72134632103503
oct344616231771
987227764510
1030706054137
1112027848a50
125b4b48b309
132b84744005
1416b411ad73
15beaae51ac
hex7263933f9

30706054137 has 48 divisors (see below), whose sum is σ = 50235756480. Its totient is φ = 17902684800.

The previous prime is 30706054121. The next prime is 30706054199. The reversal of 30706054137 is 73145060703.

30706054137 is a `hidden beast` number, since 3 + 0 + 7 + 0 + 605 + 41 + 3 + 7 = 666.

It is not a de Polignac number, because 30706054137 - 24 = 30706054121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30706054237) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 775962 + ... + 814572.

It is an arithmetic number, because the mean of its divisors is an integer number (1046578260).

Almost surely, 230706054137 is an apocalyptic number.

It is an amenable number.

30706054137 is a deficient number, since it is larger than the sum of its proper divisors (19529702343).

30706054137 is a wasteful number, since it uses less digits than its factorization.

30706054137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38934 (or 38931 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 36.

The spelling of 30706054137 in words is "thirty billion, seven hundred six million, fifty-four thousand, one hundred thirty-seven".

Divisors: 1 3 9 11 29 33 87 99 261 277 319 831 957 2493 2871 3047 8033 9141 24099 27423 38611 72297 88363 115833 265089 347499 424721 795267 1119719 1274163 3359157 3822489 10077471 10695247 12316909 32085741 36950727 96257223 110852181 117647717 310162163 352943151 930486489 1058829453 2791459467 3411783793 10235351379 30706054137