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5550504001445 = 5132916421179317
BaseRepresentation
bin101000011000101001111…
…0100011011111110100101
3201122121211011111221021202
41100301103310123332211
51211414413011021240
615445511043452245
71112003443365314
oct120612364337645
921577734457252
105550504001445
11184aa56897827
12757884687085
13313544508260
1415290821427b
15995ac0a3315
hex50c53d1bfa5

5550504001445 has 32 divisors (see below), whose sum is σ = 7420795693920. Its totient is φ = 3957231559680.

The previous prime is 5550504001439. The next prime is 5550504001499. The reversal of 5550504001445 is 5441004050555.

It can be written as a sum of positive squares in 16 ways, for example, as 2905255479361 + 2645248522084 = 1704481^2 + 1626422^2 .

It is not a de Polignac number, because 5550504001445 - 218 = 5550503739301 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 5550504001399 and 5550504001408.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30863927 + ... + 31043243.

It is an arithmetic number, because the mean of its divisors is an integer number (231899865435).

Almost surely, 25550504001445 is an apocalyptic number.

It is an amenable number.

5550504001445 is a deficient number, since it is larger than the sum of its proper divisors (1870291692475).

5550504001445 is a wasteful number, since it uses less digits than its factorization.

5550504001445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195785.

The product of its (nonzero) digits is 200000, while the sum is 38.

The spelling of 5550504001445 in words is "five trillion, five hundred fifty billion, five hundred four million, one thousand, four hundred forty-five".

Divisors: 1 5 13 29 65 145 377 1885 16421 82105 179317 213473 476209 896585 1067365 2331121 2381045 5200193 6190717 11655605 26000965 30953585 67602509 338012545 2944564457 14722822285 38279337941 85392369253 191396689705 426961846265 1110100800289 5550504001445