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51303045252000 = 253538834841737
BaseRepresentation
bin10111010101000111010111…
…10010011100001110100000
320201122112010102200112210010
423222203223302130032200
523211022114041031000
6301040143231204520
713543344200336313
oct1352435362341640
9221575112615703
1051303045252000
111538a554639173
125906a5a076740
132281b196b6b79
14c9511b3b897a
155de79b0b6d50
hex2ea8ebc9c3a0

51303045252000 has 192 divisors, whose sum is σ = 168259149362304. Its totient is φ = 13665315686400.

The previous prime is 51303045251977. The next prime is 51303045252001. The reversal of 51303045252000 is 25254030315.

51303045252000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (51303045252001) by changing a digit.

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, 8175132 + ... + 13016868.

It is an arithmetic number, because the mean of its divisors is an integer number (876349736262).

Almost surely, 251303045252000 is an apocalyptic number.

51303045252000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51303045252000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84129574681152).

51303045252000 is an abundant number, since it is smaller than the sum of its proper divisors (116956104110304).

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

51303045252000 is a wasteful number, since it uses less digits than its factorization.

51303045252000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4842648 (or 4842630 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

Adding to 51303045252000 its reverse (25254030315), we get a palindrome (51328299282315).

The spelling of 51303045252000 in words is "fifty-one trillion, three hundred three billion, forty-five million, two hundred fifty-two thousand".