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320330031230 = 25112436156641
BaseRepresentation
bin1001010100101010010…
…10000110000001111110
31010121211100110121201202
410222111022012001332
520222013441444410
6403054012135502
732100035224406
oct4522512060176
91117740417652
10320330031230
1111393aa51700
12520b9a67592
132428c9ba5a1
141170b1b7806
1584ec3bbca5
hex4a9528607e

320330031230 has 48 divisors (see below), whose sum is σ = 648516041712. Its totient is φ = 113774707200.

The previous prime is 320330031199. The next prime is 320330031247. The reversal of 320330031230 is 32130033023.

It is a super-2 number, since 2×3203300312302 (a number of 24 digits) contains 22 as substring.

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 23 ways as a sum of consecutive naturals, for example, 3026291 + ... + 3130350.

It is an arithmetic number, because the mean of its divisors is an integer number (13510750869).

Almost surely, 2320330031230 is an apocalyptic number.

320330031230 is an abundant number, since it is smaller than the sum of its proper divisors (328186010482).

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

320330031230 is a wasteful number, since it uses less digits than its factorization.

320330031230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6156713 (or 6156702 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 20.

Adding to 320330031230 its reverse (32130033023), we get a palindrome (352460064253).

The spelling of 320330031230 in words is "three hundred twenty billion, three hundred thirty million, thirty-one thousand, two hundred thirty".

Divisors: 1 2 5 10 11 22 43 55 86 110 121 215 242 430 473 605 946 1210 2365 4730 5203 10406 26015 52030 6156641 12313282 30783205 61566410 67723051 135446102 264735563 338615255 529471126 677230510 744953561 1323677815 1489907122 2647355630 2912091193 3724767805 5824182386 7449535610 14560455965 29120911930 32033003123 64066006246 160165015615 320330031230