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53031242000 = 24531119293433
BaseRepresentation
bin110001011000111010…
…001000100100010000
312001212211122012221002
4301120322020210100
51332101444221000
640210123321132
73555110055662
oct613072104420
9161784565832
1053031242000
1120543832030
12a3400801a8
135001a72649
1427d114a532
1515a5a5a8d5
hexc58e88910

53031242000 has 320 divisors, whose sum is σ = 148093021440. Its totient is φ = 18164736000.

The previous prime is 53031241987. The next prime is 53031242023. The reversal of 53031242000 is 24213035.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 122473784 + ... + 122474216.

It is an arithmetic number, because the mean of its divisors is an integer number (462790692).

Almost surely, 253031242000 is an apocalyptic number.

53031242000 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 53031242000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74046510720).

53031242000 is an abundant number, since it is smaller than the sum of its proper divisors (95061779440).

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

53031242000 is a wasteful number, since it uses less digits than its factorization.

53031242000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 779 (or 763 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

Adding to 53031242000 its reverse (24213035), we get a palindrome (53055455035).

The spelling of 53031242000 in words is "fifty-three billion, thirty-one million, two hundred forty-two thousand".