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10520542331325 = 33521311327738303
BaseRepresentation
bin1001100100011000000100…
…1100000100000110111101
31101020202100200110112001000
42121012001030010012331
52334332032314100300
634213023113440513
72134040563222515
oct231060114040675
941222320415030
1010520542331325
113396811970044
12121ab50410139
135b4110137a20
142852a868c845
151339e421cc00
hex991813041bd

10520542331325 has 192 divisors, whose sum is σ = 21073831188480. Its totient is φ = 5114842951680.

The previous prime is 10520542331303. The next prime is 10520542331363. The reversal of 10520542331325 is 52313324502501.

10520542331325 is a `hidden beast` number, since 1 + 0 + 5 + 205 + 423 + 3 + 1 + 3 + 25 = 666.

It is not a de Polignac number, because 10520542331325 - 213 = 10520542323133 is a prime.

It is a super-2 number, since 2×105205423313252 (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 10520542331325.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 274647124 + ... + 274685426.

It is an arithmetic number, because the mean of its divisors is an integer number (109759537440).

Almost surely, 210520542331325 is an apocalyptic number.

10520542331325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10520542331325 is an abundant number, since it is smaller than the sum of its proper divisors (10553288857155).

10520542331325 is a wasteful number, since it uses less digits than its factorization.

10520542331325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38725 (or 38714 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

Adding to 10520542331325 its reverse (52313324502501), we get a palindrome (62833866833826).

The spelling of 10520542331325 in words is "ten trillion, five hundred twenty billion, five hundred forty-two million, three hundred thirty-one thousand, three hundred twenty-five".