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30113332220 = 2251505666611
BaseRepresentation
bin11100000010111001…
…001111101111111100
32212201122112202221202
4130002321033233330
5443133003112340
621500041115032
72114144046326
oct340271175774
985648482852
1030113332220
1111853211224
125a04a88a78
132abb9c609a
14165950a616
15bb3a63c15
hex702e4fbfc

30113332220 has 12 divisors (see below), whose sum is σ = 63237997704. Its totient is φ = 12045332880.

The previous prime is 30113332219. The next prime is 30113332229. The reversal of 30113332220 is 2223331103.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 1505666611 = 30113332220 / (3 + 0 + 1 + 1 + 3 + 3 + 3 + 2 + 2 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 30113332192 and 30113332201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30113332229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 752833286 + ... + 752833325.

It is an arithmetic number, because the mean of its divisors is an integer number (5269833142).

Almost surely, 230113332220 is an apocalyptic number.

It is an amenable number.

30113332220 is an abundant number, since it is smaller than the sum of its proper divisors (33124665484).

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

30113332220 is a wasteful number, since it uses less digits than its factorization.

30113332220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1505666620 (or 1505666618 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 30113332220 its reverse (2223331103), we get a palindrome (32336663323).

The spelling of 30113332220 in words is "thirty billion, one hundred thirteen million, three hundred thirty-two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 1505666611 3011333222 6022666444 7528333055 15056666110 30113332220