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3012816630 = 235100427221
BaseRepresentation
bin1011001110010011…
…1110111011110110
321202222010221110010
42303210332323312
522132240113010
61214543041050
7134442342645
oct26344767366
97688127403
103012816630
1113067247aa
12700ba0186
13390251145
142081c135c
15129776620
hexb393eef6

3012816630 has 16 divisors (see below), whose sum is σ = 7230759984. Its totient is φ = 803417760.

The previous prime is 3012816617. The next prime is 3012816637. The reversal of 3012816630 is 366182103.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 100427221 = 3012816630 / (3 + 0 + 1 + 2 + 8 + 1 + 6 + 6 + 3 + 0).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3012816637) 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, 50213581 + ... + 50213640.

It is an arithmetic number, because the mean of its divisors is an integer number (451922499).

Almost surely, 23012816630 is an apocalyptic number.

3012816630 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3012816630 is an abundant number, since it is smaller than the sum of its proper divisors (4217943354).

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

3012816630 is a wasteful number, since it uses less digits than its factorization.

3012816630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100427231.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 3012816630 is about 54889.1303447231. The cubic root of 3012816630 is about 1444.3005167287.

Adding to 3012816630 its reverse (366182103), we get a palindrome (3378998733).

The spelling of 3012816630 in words is "three billion, twelve million, eight hundred sixteen thousand, six hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 100427221 200854442 301281663 502136105 602563326 1004272210 1506408315 3012816630