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28434043482 = 2313229233343
BaseRepresentation
bin11010011110110011…
…010001001001011010
32201101121200001212120
4122132303101021122
5431213103342412
621021252122110
72024423244645
oct323663211132
981347601776
1028434043482
1111071304799
125616606336
1328b1b1b900
14153a496a5c
15b16401b8c
hex69ecd125a

28434043482 has 72 divisors (see below), whose sum is σ = 63777602304. Its totient is φ = 8446995648.

The previous prime is 28434043441. The next prime is 28434043487.

28434043482 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (28434043487) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 836103 + ... + 869445.

It is an arithmetic number, because the mean of its divisors is an integer number (885800032).

Almost surely, 228434043482 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28434043482, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31888801152).

28434043482 is an abundant number, since it is smaller than the sum of its proper divisors (35343558822).

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

28434043482 is a wasteful number, since it uses less digits than its factorization.

28434043482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33432 (or 33390 counting only the distinct ones).

The product of its (nonzero) digits is 589824, while the sum is 42.

The spelling of 28434043482 in words is "twenty-eight billion, four hundred thirty-four million, forty-three thousand, four hundred eighty-two".

Divisors: 1 2 3 6 13 26 29 39 58 78 87 169 174 338 377 507 754 841 1014 1131 1682 2262 2523 4901 5046 9802 10933 14703 21866 29406 32799 33343 65598 66686 100029 142129 200058 284258 426387 433459 852774 866918 966947 1300377 1933894 2600754 2900841 5634967 5801682 11269934 12570311 16904901 25140622 28041463 33809802 37710933 56082926 75421866 84124389 163414043 168248778 326828086 364539019 490242129 729078038 980484258 1093617057 2187234114 4739007247 9478014494 14217021741 28434043482