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30220012230 = 2355319006297
BaseRepresentation
bin11100001001010000…
…001100101011000110
32220000002021200102020
4130021100030223012
5443342310342410
621514411424010
72116610602632
oct341120145306
986002250366
1030220012230
11118a8455521
125a34755006
132b07b38255
141669759dc2
15bbd0d7a70
hex70940cac6

30220012230 has 32 divisors (see below), whose sum is σ = 73896486624. Its totient is φ = 7906619136.

The previous prime is 30220012217. The next prime is 30220012261. The reversal of 30220012230 is 3221002203.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9501559 + ... + 9504738.

It is an arithmetic number, because the mean of its divisors is an integer number (2309265207).

Almost surely, 230220012230 is an apocalyptic number.

30220012230 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30220012230 is an abundant number, since it is smaller than the sum of its proper divisors (43676474394).

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

30220012230 is a wasteful number, since it uses less digits than its factorization.

30220012230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19006360.

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 30220012230 its reverse (3221002203), we get a palindrome (33441014433).

The spelling of 30220012230 in words is "thirty billion, two hundred twenty million, twelve thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 53 106 159 265 318 530 795 1590 19006297 38012594 57018891 95031485 114037782 190062970 285094455 570188910 1007333741 2014667482 3022001223 5036668705 6044002446 10073337410 15110006115 30220012230