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42554051403025 = 521702162056121
BaseRepresentation
bin10011010110011111000110…
…00111100001110100010001
312120200010110000020100021211
421223033203013201310101
521034201144124344100
6230301021125420121
711651300030550511
oct1153174307416421
9176603400210254
1042554051403025
11126170876a9468
12493331586a641
131a98aa3197bc6
14a718ac9b3841
154dbdddbed1ba
hex26b3e31e1d11

42554051403025 has 6 divisors (see below), whose sum is σ = 52767023739782. Its totient is φ = 34043241122400.

The previous prime is 42554051402983. The next prime is 42554051403131. The reversal of 42554051403025 is 52030415045524.

42554051403025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 7744704016 + 42546306699009 = 88004^2 + 6522753^2 .

It is not a de Polignac number, because 42554051403025 - 27 = 42554051402897 is a prime.

It is a super-2 number, since 2×425540514030252 (a number of 28 digits) contains 22 as substring.

It is a Duffinian 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 5 ways as a sum of consecutive naturals, for example, 851081028036 + ... + 851081028085.

Almost surely, 242554051403025 is an apocalyptic number.

It is an amenable number.

42554051403025 is a deficient number, since it is larger than the sum of its proper divisors (10212972336757).

42554051403025 is a wasteful number, since it uses less digits than its factorization.

42554051403025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1702162056131 (or 1702162056126 counting only the distinct ones).

The product of its (nonzero) digits is 480000, while the sum is 40.

Adding to 42554051403025 its reverse (52030415045524), we get a palindrome (94584466448549).

The spelling of 42554051403025 in words is "forty-two trillion, five hundred fifty-four billion, fifty-one million, four hundred three thousand, twenty-five".

Divisors: 1 5 25 1702162056121 8510810280605 42554051403025