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232031330212 = 221140933128831
BaseRepresentation
bin1101100000011000100…
…1010001111110100100
3211011220122212212001211
43120012021101332210
512300200010031322
6254332124401204
722522644523243
oct3300611217644
9734818785054
10232031330212
118a449700730
1238b769a6204
1318b5a4aabc6
14b33221c95a
15608059db77
hex3606251fa4

232031330212 has 24 divisors (see below), whose sum is σ = 442983163392. Its totient is φ = 105465391200.

The previous prime is 232031330207. The next prime is 232031330281. The reversal of 232031330212 is 212033130232.

It is a Harshad number since it is a multiple of its sum of digits (22).

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 7 ways as a sum of consecutive naturals, for example, 1736637 + ... + 1865467.

It is an arithmetic number, because the mean of its divisors is an integer number (18457631808).

Almost surely, 2232031330212 is an apocalyptic number.

232031330212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

232031330212 is a deficient number, since it is larger than the sum of its proper divisors (210951833180).

232031330212 is a wasteful number, since it uses less digits than its factorization.

232031330212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169779 (or 169777 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 232031330212 its reverse (212033130232), we get a palindrome (444064460444).

The spelling of 232031330212 in words is "two hundred thirty-two billion, thirty-one million, three hundred thirty thousand, two hundred twelve".

Divisors: 1 2 4 11 22 44 40933 81866 128831 163732 257662 450263 515324 900526 1417141 1801052 2834282 5668564 5273439323 10546878646 21093757292 58007832553 116015665106 232031330212