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30221323130 = 2517177772489
BaseRepresentation
bin11100001001010101…
…001100101101111010
32220000011202021122002
4130021111030231322
5443343124320010
621514455501002
72116625002535
oct341125145572
986004667562
1030221323130
11118a9170409
125a35087762
132b081a6b2b
1416699bba1c
15bbd2961a5
hex70954cb7a

30221323130 has 16 divisors (see below), whose sum is σ = 57598286760. Its totient is φ = 11377439232.

The previous prime is 30221323127. The next prime is 30221323151. The reversal of 30221323130 is 3132312203.

It can be written as a sum of positive squares in 4 ways, for example, as 30063745321 + 157577809 = 173389^2 + 12553^2 .

It is a Curzon 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, 88886075 + ... + 88886414.

Almost surely, 230221323130 is an apocalyptic number.

30221323130 is a deficient number, since it is larger than the sum of its proper divisors (27376963630).

30221323130 is a wasteful number, since it uses less digits than its factorization.

30221323130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177772513.

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

Adding to 30221323130 its reverse (3132312203), we get a palindrome (33353635333).

The spelling of 30221323130 in words is "thirty billion, two hundred twenty-one million, three hundred twenty-three thousand, one hundred thirty".

Divisors: 1 2 5 10 17 34 85 170 177772489 355544978 888862445 1777724890 3022132313 6044264626 15110661565 30221323130