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3012130520 = 235725142859
BaseRepresentation
bin1011001110001001…
…0111011011011000
321202220212002021122
42303202113123120
522132101134040
61214520224412
7134433454430
oct26342273330
97686762248
103012130520
1113062a6273
1270090b108
13390070a69
142080832c0
1512968d1b5
hexb38976d8

3012130520 has 64 divisors (see below), whose sum is σ = 7776518400. Its totient is φ = 1028592000.

The previous prime is 3012130519. The next prime is 3012130543. The reversal of 3012130520 is 250312103.

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 15 ways as a sum of consecutive naturals, for example, 48851 + ... + 91709.

It is an arithmetic number, because the mean of its divisors is an integer number (121508100).

Almost surely, 23012130520 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3012130520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3888259200).

3012130520 is an abundant number, since it is smaller than the sum of its proper divisors (4764387880).

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

3012130520 is a wasteful number, since it uses less digits than its factorization.

3012130520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43128 (or 43124 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 3012130520 is about 54882.8800264709. The cubic root of 3012130520 is about 1444.1908713501.

Adding to 3012130520 its reverse (250312103), we get a palindrome (3262442623).

The spelling of 3012130520 in words is "three billion, twelve million, one hundred thirty thousand, five hundred twenty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 251 280 502 1004 1255 1757 2008 2510 3514 5020 7028 8785 10040 14056 17570 35140 42859 70280 85718 171436 214295 300013 342872 428590 600026 857180 1200052 1500065 1714360 2400104 3000130 6000260 10757609 12000520 21515218 43030436 53788045 75303263 86060872 107576090 150606526 215152180 301213052 376516315 430304360 602426104 753032630 1506065260 3012130520