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830515282060 = 225242317138161
BaseRepresentation
bin11000001010111101001…
…00011000000010001100
32221101201001000200110111
430011132210120002030
5102101343403011220
61433311120445404
7114000641263642
oct14053644300214
92841631020414
10830515282060
112a0246252872
12114b61a79864
13604180176a9
142c2a8dc3192
151690c2a215a
hexc15e91808c

830515282060 has 24 divisors (see below), whose sum is σ = 1744801996896. Its totient is φ = 332068988160.

The previous prime is 830515282031. The next prime is 830515282067. The reversal of 830515282060 is 60282515038.

It is not an unprimeable number, because it can be changed into a prime (830515282067) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8520621 + ... + 8617540.

It is an arithmetic number, because the mean of its divisors is an integer number (72700083204).

Almost surely, 2830515282060 is an apocalyptic number.

It is an amenable number.

830515282060 is an abundant number, since it is smaller than the sum of its proper divisors (914286714836).

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

830515282060 is a wasteful number, since it uses less digits than its factorization.

830515282060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17140593 (or 17140591 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 40.

Adding to 830515282060 its reverse (60282515038), we get a palindrome (890797797098).

The spelling of 830515282060 in words is "eight hundred thirty billion, five hundred fifteen million, two hundred eighty-two thousand, sixty".

Divisors: 1 2 4 5 10 20 2423 4846 9692 12115 24230 48460 17138161 34276322 68552644 85690805 171381610 342763220 41525764103 83051528206 166103056412 207628820515 415257641030 830515282060