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30120054211 = 132924379811
BaseRepresentation
bin11100000011010010…
…111000110111000011
32212202010012021210101
4130003102320313003
5443141213213321
621500441143231
72114255144062
oct340322706703
985663167711
1030120054211
1111856a92595
125a0718ab17
132ac020a8b0
14165a37a1d9
15bb4440791
hex7034b8dc3

30120054211 has 48 divisors (see below), whose sum is σ = 34853378560. Its totient is φ = 25856288640.

The previous prime is 30120054163. The next prime is 30120054287. The reversal of 30120054211 is 11245002103.

It is not a de Polignac number, because 30120054211 - 29 = 30120053699 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30120054511) 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 47 ways as a sum of consecutive naturals, for example, 37138996 + ... + 37139806.

Almost surely, 230120054211 is an apocalyptic number.

30120054211 is a deficient number, since it is larger than the sum of its proper divisors (4733324349).

30120054211 is a wasteful number, since it uses less digits than its factorization.

30120054211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1004 (or 975 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

Adding to 30120054211 its reverse (11245002103), we get a palindrome (41365056314).

The spelling of 30120054211 in words is "thirty billion, one hundred twenty million, fifty-four thousand, two hundred eleven".

Divisors: 1 13 29 43 79 377 559 811 841 1027 1247 2291 3397 10543 10933 16211 23519 29783 34873 36163 44161 64069 66439 98513 305747 453349 470119 682051 832897 863707 1011317 1280669 1858001 2754967 2856877 8866663 13147121 24154013 29328193 35814571 37139401 53882029 79894043 381266509 700466377 1038622559 2316927247 30120054211