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232331231000 = 235311171242413
BaseRepresentation
bin1101100001100000000…
…1010011111100011000
3211012200120012101121102
43120120001103330120
512301303243343000
6254422000330532
722533245610461
oct3303001237430
9735616171542
10232331231000
118a592a17620
123903b313a48
1318ba76727ab
14b35dda7d68
15609ba8d3d5
hex3618053f18

232331231000 has 128 divisors (see below), whose sum is σ = 627965732160. Its totient is φ = 79514368000.

The previous prime is 232331230991. The next prime is 232331231003. The reversal of 232331231000 is 132133232.

It is a super-2 number, since 2×2323312310002 (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232331231003) 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, 434207 + ... + 808206.

Almost surely, 2232331231000 is an apocalyptic number.

232331231000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

232331231000 is an abundant number, since it is smaller than the sum of its proper divisors (395634501160).

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

232331231000 is a wasteful number, since it uses less digits than its factorization.

232331231000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1242462 (or 1242448 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 232331231000 its reverse (132133232), we get a palindrome (232463364232).

The spelling of 232331231000 in words is "two hundred thirty-two billion, three hundred thirty-one million, two hundred thirty-one thousand".

Divisors: 1 2 4 5 8 10 11 17 20 22 25 34 40 44 50 55 68 85 88 100 110 125 136 170 187 200 220 250 275 340 374 425 440 500 550 680 748 850 935 1000 1100 1375 1496 1700 1870 2125 2200 2750 3400 3740 4250 4675 5500 7480 8500 9350 11000 17000 18700 23375 37400 46750 93500 187000 1242413 2484826 4969652 6212065 9939304 12424130 13666543 21121021 24848260 27333086 31060325 42242042 49696520 54666172 62120650 68332715 84484084 105605105 109332344 124241300 136665430 155301625 168968168 211210210 232331231 248482600 273330860 310603250 341663575 422420420 464662462 528025525 546661720 621206500 683327150 844840840 929324924 1056051050 1161656155 1242413000 1366654300 1708317875 1858649848 2112102100 2323312310 2640127625 2733308600 3416635750 4224204200 4646624620 5280255250 5808280775 6833271500 9293249240 10560510500 11616561550 13666543000 21121021000 23233123100 29041403875 46466246200 58082807750 116165615500 232331231000