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232031123220 = 2235131916279623
BaseRepresentation
bin1101100000011000100…
…0011111011100010100
3211011220122111100010110
43120012020133130110
512300144431420340
6254332120123020
722522643001621
oct3300610373424
9734818440113
10232031123220
118a44957a166
1238b76906470
1318b5a437920
14b3321a7348
15608055c680
hex360621f714

232031123220 has 192 divisors, whose sum is σ = 737016698880. Its totient is φ = 54070405632.

The previous prime is 232031123179. The next prime is 232031123237. The reversal of 232031123220 is 22321130232.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 24107329 + ... + 24116951.

It is an arithmetic number, because the mean of its divisors is an integer number (3838628640).

Almost surely, 2232031123220 is an apocalyptic number.

232031123220 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 232031123220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (368508349440).

232031123220 is an abundant number, since it is smaller than the sum of its proper divisors (504985575660).

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

232031123220 is a wasteful number, since it uses less digits than its factorization.

232031123220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11294 (or 11292 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 232031123220 its reverse (22321130232), we get a palindrome (254352253452).

The spelling of 232031123220 in words is "two hundred thirty-two billion, thirty-one million, one hundred twenty-three thousand, two hundred twenty".