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22150142332500 = 2235471333299749
BaseRepresentation
bin1010000100101001110110…
…10111011000111001010100
32220102112101111121002222110
411002110323113120321110
510400401442414120000
6115035345050231020
74444203114214530
oct502247327307124
986375344532873
1022150142332500
11706a905991536
122598a19a25470
13c48998740470
1456810334cbc0
152862991aa850
hex14253b5d8e54

22150142332500 has 480 divisors, whose sum is σ = 79519920480000. Its totient is φ = 4671553536000.

The previous prime is 22150142332481. The next prime is 22150142332573. The reversal of 22150142332500 is 523324105122.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 2272037626 + ... + 2272047374.

It is an arithmetic number, because the mean of its divisors is an integer number (165666501000).

Almost surely, 222150142332500 is an apocalyptic number.

22150142332500 is a gapful number since it is divisible by the number (20) 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 22150142332500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39759960240000).

22150142332500 is an abundant number, since it is smaller than the sum of its proper divisors (57369778147500).

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

22150142332500 is a wasteful number, since it uses less digits than its factorization.

22150142332500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13125 (or 13108 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 22150142332500 its reverse (523324105122), we get a palindrome (22673466437622).

The spelling of 22150142332500 in words is "twenty-two trillion, one hundred fifty billion, one hundred forty-two million, three hundred thirty-two thousand, five hundred".