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30221305134 = 2328331777933
BaseRepresentation
bin11100001001010101…
…001000010100101110
32220000011201100221120
4130021111020110232
5443343123231014
621514455241410
72116624566216
oct341125102456
986004640846
1030221305134
11118a9158939
125a35079266
132b0819b897
1416699b5246
15bbd290ba9
hex70954852e

30221305134 has 16 divisors (see below), whose sum is σ = 60463979472. Its totient is φ = 10070206848.

The previous prime is 30221305129. The next prime is 30221305187. The reversal of 30221305134 is 43150312203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 871969 + ... + 905964.

It is an arithmetic number, because the mean of its divisors is an integer number (3778998717).

Almost surely, 230221305134 is an apocalyptic number.

30221305134 is an abundant number, since it is smaller than the sum of its proper divisors (30242674338).

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

30221305134 is a wasteful number, since it uses less digits than its factorization.

30221305134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1780771.

The product of its (nonzero) digits is 2160, while the sum is 24.

Adding to 30221305134 its reverse (43150312203), we get a palindrome (73371617337).

The spelling of 30221305134 in words is "thirty billion, two hundred twenty-one million, three hundred five thousand, one hundred thirty-four".

Divisors: 1 2 3 6 2833 5666 8499 16998 1777933 3555866 5333799 10667598 5036884189 10073768378 15110652567 30221305134