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42543324120 = 2335112107139197
BaseRepresentation
bin100111100111110001…
…111001101111011000
311001210220202210022010
4213213301321233120
51144112042332440
631313311025520
73034156200633
oct474761715730
9131726683263
1042543324120
1117051663100
1282b380b2a0
13401cc7058b
1420b8298c1a
15118ee1e580
hex9e7c79bd8

42543324120 has 384 divisors, whose sum is σ = 143341228800. Its totient is φ = 10092149760.

The previous prime is 42543324119. The next prime is 42543324139. The reversal of 42543324120 is 2142334524.

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 95 ways as a sum of consecutive naturals, for example, 215955862 + ... + 215956058.

It is an arithmetic number, because the mean of its divisors is an integer number (373284450).

Almost surely, 242543324120 is an apocalyptic number.

42543324120 is a gapful number since it is divisible by the number (40) 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 42543324120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71670614400).

42543324120 is an abundant number, since it is smaller than the sum of its proper divisors (100797904680).

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

42543324120 is a wasteful number, since it uses less digits than its factorization.

42543324120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479 (or 464 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 42543324120 its reverse (2142334524), we get a palindrome (44685658644).

It can be divided in two parts, 42543 and 324120, that added together give a palindrome (366663).

The spelling of 42543324120 in words is "forty-two billion, five hundred forty-three million, three hundred twenty-four thousand, one hundred twenty".