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30546221133 = 32379101113491
BaseRepresentation
bin11100011100101100…
…100101100001001101
32220211211002210220110
4130130230211201031
51000024313034013
622011023310233
72130651411201
oct343454454115
986754083813
1030546221133
1111a5560005a
125b05a4b379
132b5a5b157c
14169abd2b01
15bdba722c3
hex71cb2584d

30546221133 has 64 divisors (see below), whose sum is σ = 43937095680. Its totient is φ = 18834816000.

The previous prime is 30546221113. The next prime is 30546221213. The reversal of 30546221133 is 33112264503.

It is not a de Polignac number, because 30546221133 - 28 = 30546220877 is a prime.

It is a super-2 number, since 2×305462211332 (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30546221133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30546221113) 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, 62212018 + ... + 62212508.

It is an arithmetic number, because the mean of its divisors is an integer number (686517120).

Almost surely, 230546221133 is an apocalyptic number.

It is an amenable number.

30546221133 is a deficient number, since it is larger than the sum of its proper divisors (13390874547).

30546221133 is a wasteful number, since it uses less digits than its factorization.

30546221133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 810.

The product of its (nonzero) digits is 12960, while the sum is 30.

Adding to 30546221133 its reverse (33112264503), we get a palindrome (63658485636).

The spelling of 30546221133 in words is "thirty billion, five hundred forty-six million, two hundred twenty-one thousand, one hundred thirty-three".

Divisors: 1 3 23 69 79 101 113 237 303 339 491 1473 1817 2323 2599 5451 6969 7797 7979 8927 11293 11413 23937 26781 33879 34239 38789 49591 55483 116367 148773 166449 183517 205321 262499 550551 615963 787497 892147 901627 1140593 1276109 2676441 2704881 3421779 3828327 3917689 4383157 5603783 11753067 13149471 16811349 20737421 62212263 90106847 100812611 128887009 270320541 302437833 386661027 442698857 1328096571 10182073711 30546221133