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54169708544 = 21172539797
BaseRepresentation
bin110010011100110001…
…000010100000000000
312011211011212022102122
4302130301002200000
51341414421133134
640515112503412
73625242632300
oct623461024000
9164734768378
1054169708544
1120a7842a876
12a5b93aab68
1351538a0ba3
14289c41d600
15162098e02e
hexc9cc42800

54169708544 has 72 divisors (see below), whose sum is σ = 125996950170. Its totient is φ = 23215546368.

The previous prime is 54169708517. The next prime is 54169708561. The reversal of 54169708544 is 44580796145.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 53957714944 + 211993600 = 232288^2 + 14560^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 169547 + ... + 370250.

Almost surely, 254169708544 is an apocalyptic number.

It is an amenable number.

54169708544 is an abundant number, since it is smaller than the sum of its proper divisors (71827241626).

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

54169708544 is an equidigital number, since it uses as much as digits as its factorization.

54169708544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539833 (or 539806 counting only the distinct ones).

The product of its (nonzero) digits is 4838400, while the sum is 53.

The spelling of 54169708544 in words is "fifty-four billion, one hundred sixty-nine million, seven hundred eight thousand, five hundred forty-four".

Divisors: 1 2 4 7 8 14 16 28 32 49 56 64 98 112 128 196 224 256 392 448 512 784 896 1024 1568 1792 2048 3136 3584 6272 7168 12544 14336 25088 50176 100352 539797 1079594 2159188 3778579 4318376 7557158 8636752 15114316 17273504 26450053 30228632 34547008 52900106 60457264 69094016 105800212 120914528 138188032 211600424 241829056 276376064 423200848 483658112 552752128 846401696 967316224 1105504256 1692803392 1934632448 3385606784 3869264896 6771213568 7738529792 13542427136 27084854272 54169708544