Search a number
-
+
30220203030 = 2355319006417
BaseRepresentation
bin11100001001010000…
…111011010000010110
32220000002122101010220
4130021100323100112
5443342332444110
621514415455210
72116612326123
oct341120732026
986002571126
1030220203030
11118a8575906
125a34827506
132b07ba4054
1416697a974a
15bbd124370
hex70943b416

30220203030 has 32 divisors (see below), whose sum is σ = 73896953184. Its totient is φ = 7906669056.

The previous prime is 30220203011. The next prime is 30220203037. The reversal of 30220203030 is 3030202203.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30220203037) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9501619 + ... + 9504798.

It is an arithmetic number, because the mean of its divisors is an integer number (2309279787).

Almost surely, 230220203030 is an apocalyptic number.

30220203030 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30220203030 is an abundant number, since it is smaller than the sum of its proper divisors (43676750154).

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

30220203030 is a wasteful number, since it uses less digits than its factorization.

30220203030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19006480.

The product of its (nonzero) digits is 216, while the sum is 15.

Adding to 30220203030 its reverse (3030202203), we get a palindrome (33250405233).

The spelling of 30220203030 in words is "thirty billion, two hundred twenty million, two hundred three thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 53 106 159 265 318 530 795 1590 19006417 38012834 57019251 95032085 114038502 190064170 285096255 570192510 1007340101 2014680202 3022020303 5036700505 6044040606 10073401010 15110101515 30220203030