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52021122145300 = 2252711210154711117
BaseRepresentation
bin10111101010000000111001…
…00000011001110000010100
320211012011121110001021022201
423311000130200121300110
523304303224232122200
6302350101255134244
713646254621251550
oct1365003440316024
9224164543037281
1052021122145300
1115637041299300
125a02060674384
132304755c97679
14cbbb9b404860
156032c7165c6a
hex2f501c819c14

52021122145300 has 432 divisors, whose sum is σ = 143485746574464. Its totient is φ = 16023047040000.

The previous prime is 52021122145283. The next prime is 52021122145327. The reversal of 52021122145300 is 354122112025.

It is a happy number.

52021122145300 is digitally balanced in base 6, 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 (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 4679415342 + ... + 4679426458.

Almost surely, 252021122145300 is an apocalyptic number.

52021122145300 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 52021122145300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71742873287232).

52021122145300 is an abundant number, since it is smaller than the sum of its proper divisors (91464624429164).

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

52021122145300 is a wasteful number, since it uses less digits than its factorization.

52021122145300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11808 (or 11790 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 52021122145300 its reverse (354122112025), we get a palindrome (52375244257325).

The spelling of 52021122145300 in words is "fifty-two trillion, twenty-one billion, one hundred twenty-two million, one hundred forty-five thousand, three hundred".