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234422375220 = 2232511292140779
BaseRepresentation
bin1101101001010010101…
…0011001001100110100
3211102002022001112012100
43122110222121030310
512320044112001340
6255405301022100
722636130212035
oct3322452311464
9742068045170
10234422375220
1190466357190
12395236b4930
131914b97c837
14b4bb9caa8c
156170456830
hex3694a99334

234422375220 has 216 divisors, whose sum is σ = 803402177760. Its totient is φ = 54869633280.

The previous prime is 234422375183. The next prime is 234422375263. The reversal of 234422375220 is 22573224432.

234422375220 is a `hidden beast` number, since 2 + 3 + 4 + 422 + 3 + 7 + 5 + 220 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1594791 + ... + 1735569.

Almost surely, 2234422375220 is an apocalyptic number.

234422375220 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 234422375220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (401701088880).

234422375220 is an abundant number, since it is smaller than the sum of its proper divisors (568979802540).

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

234422375220 is a wasteful number, since it uses less digits than its factorization.

234422375220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140863 (or 140829 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 36.

Adding to 234422375220 its reverse (22573224432), we get a palindrome (256995599652).

The spelling of 234422375220 in words is "two hundred thirty-four billion, four hundred twenty-two million, three hundred seventy-five thousand, two hundred twenty".