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54543234546 = 234615519453
BaseRepresentation
bin110010110011000001…
…111011010111110010
312012210012201101210000
4302303001323113302
51343201032001141
641020134450430
73640426562343
oct626301732762
9165705641700
1054543234546
112114a263449
12a6a2503a16
1351b30a33a8
1428d5c920ca
1516436735b6
hexcb307b5f2

54543234546 has 40 divisors (see below), whose sum is σ = 124220831724. Its totient is φ = 17883024480.

The previous prime is 54543234533. The next prime is 54543234547. The reversal of 54543234546 is 64543234545.

54543234546 is a `hidden beast` number, since 5 + 4 + 543 + 23 + 45 + 46 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 51458654025 + 3084580521 = 226845^2 + 55539^2 .

It is a super-2 number, since 2×545432345462 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (54543234547) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2749845 + ... + 2769608.

Almost surely, 254543234546 is an apocalyptic number.

54543234546 is an abundant number, since it is smaller than the sum of its proper divisors (69677597178).

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

54543234546 is a wasteful number, since it uses less digits than its factorization.

54543234546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5519528 (or 5519519 counting only the distinct ones).

The product of its digits is 3456000, while the sum is 45.

Subtracting 54543234546 from its reverse (64543234545), we obtain a palindrome (9999999999).

It can be divided in two parts, 5454 and 3234546, that added together give a square (3240000 = 18002).

The spelling of 54543234546 in words is "fifty-four billion, five hundred forty-three million, two hundred thirty-four thousand, five hundred forty-six".

Divisors: 1 2 3 6 9 18 27 54 61 81 122 162 183 366 549 1098 1647 3294 4941 9882 5519453 11038906 16558359 33116718 49675077 99350154 149025231 298050462 336686633 447075693 673373266 894151386 1010059899 2020119798 3030179697 6060359394 9090539091 18181078182 27271617273 54543234546