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232331221000 = 23531912227959
BaseRepresentation
bin1101100001100000000…
…1010001100000001000
3211012200120011212220001
43120120001101200020
512301303243033000
6254422000212344
722533245536354
oct3303001214010
9735616155801
10232331221000
118a592a1005a
123903b30a0b4
1318ba766b088
14b35dda4464
15609ba8a46a
hex3618051808

232331221000 has 64 divisors (see below), whose sum is σ = 572268528000. Its totient is φ = 88041297600.

The previous prime is 232331220991. The next prime is 232331221009. The reversal of 232331221000 is 122133232.

232331221000 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (232331220991) and next prime (232331221009).

It is a Harshad number since it is a multiple of its sum of digits (19).

It is not an unprimeable number, because it can be changed into a prime (232331221009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6094980 + ... + 6132979.

It is an arithmetic number, because the mean of its divisors is an integer number (8941695750).

Almost surely, 2232331221000 is an apocalyptic number.

232331221000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

232331221000 is an abundant number, since it is smaller than the sum of its proper divisors (339937307000).

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

232331221000 is a wasteful number, since it uses less digits than its factorization.

232331221000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12227999 (or 12227985 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 232331221000 its reverse (122133232), we get a palindrome (232453354232).

The spelling of 232331221000 in words is "two hundred thirty-two billion, three hundred thirty-one million, two hundred twenty-one thousand".

Divisors: 1 2 4 5 8 10 19 20 25 38 40 50 76 95 100 125 152 190 200 250 380 475 500 760 950 1000 1900 2375 3800 4750 9500 19000 12227959 24455918 48911836 61139795 97823672 122279590 232331221 244559180 305698975 464662442 489118360 611397950 929324884 1161656105 1222795900 1528494875 1858649768 2323312210 2445591800 3056989750 4646624420 5808280525 6113979500 9293248840 11616561050 12227959000 23233122100 29041402625 46466244200 58082805250 116165610500 232331221000