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54275257245 = 3511229903723
BaseRepresentation
bin110010100011000011…
…101011001110011101
312012002112110202000210
4302203003223032131
51342123431212440
640533403043033
73630664034406
oct624303531635
9165075422023
1054275257245
1121021a71100
12a628810479
13516c708141
1428ac4569ad
151629d8ca80
hexca30eb39d

54275257245 has 24 divisors (see below), whose sum is σ = 95452687008. Its totient is φ = 26315275360.

The previous prime is 54275257217. The next prime is 54275257277.

54275257245 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 54275257245 - 26 = 54275257181 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 54275257194 and 54275257203.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14950047 + ... + 14953676.

It is an arithmetic number, because the mean of its divisors is an integer number (3977195292).

Almost surely, 254275257245 is an apocalyptic number.

54275257245 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

54275257245 is a deficient number, since it is larger than the sum of its proper divisors (41177429763).

54275257245 is a wasteful number, since it uses less digits than its factorization.

54275257245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29903753 (or 29903742 counting only the distinct ones).

The product of its digits is 3920000, while the sum is 48.

The spelling of 54275257245 in words is "fifty-four billion, two hundred seventy-five million, two hundred fifty-seven thousand, two hundred forty-five".

Divisors: 1 3 5 11 15 33 55 121 165 363 605 1815 29903723 89711169 149518615 328940953 448555845 986822859 1644704765 3618350483 4934114295 10855051449 18091752415 54275257245