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204042142432 = 25195371101883
BaseRepresentation
bin1011111000000111011…
…1000000001011100000
3201111200001021210111101
42332001313000023200
511320334242024212
6233422523124144
720512232410552
oct2760167001340
9644601253441
10204042142432
1179596519687
1233665373654
13163198a762b
149c38c854d2
155493271157
hex2f81dc02e0

204042142432 has 192 divisors, whose sum is σ = 441722211840. Its totient is φ = 92461824000.

The previous prime is 204042142427. The next prime is 204042142433. The reversal of 204042142432 is 234241240402.

It is a self number, because there is not a number n which added to its sum of digits gives 204042142432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204042142433) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 231077863 + ... + 231078745.

It is an arithmetic number, because the mean of its divisors is an integer number (2300636520).

Almost surely, 2204042142432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 204042142432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (220861105920).

204042142432 is an abundant number, since it is smaller than the sum of its proper divisors (237680069408).

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

204042142432 is a wasteful number, since it uses less digits than its factorization.

204042142432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1137 (or 1129 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 204042142432 its reverse (234241240402), we get a palindrome (438283382834).

The spelling of 204042142432 in words is "two hundred four billion, forty-two million, one hundred forty-two thousand, four hundred thirty-two".