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320313013230 = 235721379915791
BaseRepresentation
bin1001010100101000010…
…01001011001111101110
31010121210011110000102110
410222110021023033232
520222000112410410
6403052203304450
732066440455300
oct4522411131756
91117704400373
10320313013230
11113931388841
12520b421b126
132428930c572
1411708c27970
1584eab59720
hex4a9424b3ee

320313013230 has 96 divisors (see below), whose sum is σ = 894383078400. Its totient is φ = 73204461120.

The previous prime is 320313013211. The next prime is 320313013301. The reversal of 320313013230 is 32310313023.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 320313013197 and 320313013206.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 20276635 + ... + 20292425.

It is an arithmetic number, because the mean of its divisors is an integer number (9316490400).

Almost surely, 2320313013230 is an apocalyptic number.

320313013230 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

320313013230 is an abundant number, since it is smaller than the sum of its proper divisors (574070065170).

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

320313013230 is a wasteful number, since it uses less digits than its factorization.

320313013230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29614 (or 29607 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 320313013230 its reverse (32310313023), we get a palindrome (352623326253).

The spelling of 320313013230 in words is "three hundred twenty billion, three hundred thirteen million, thirteen thousand, two hundred thirty".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 49 70 98 105 147 210 245 294 490 735 1470 13799 15791 27598 31582 41397 47373 68995 78955 82794 94746 96593 110537 137990 157910 193186 206985 221074 236865 289779 331611 413970 473730 482965 552685 579558 663222 676151 773759 965930 1105370 1352302 1448895 1547518 1658055 2028453 2321277 2897790 3316110 3380755 3868795 4056906 4642554 6761510 7737590 10142265 11606385 20284530 23212770 217900009 435800018 653700027 1089500045 1307400054 1525300063 2179000090 3050600126 3268500135 4575900189 6537000270 7626500315 9151800378 10677100441 15253000630 21354200882 22879500945 32031301323 45759001890 53385502205 64062602646 106771004410 160156506615 320313013230