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30307571330 = 2573293141697
BaseRepresentation
bin11100001110011110…
…001101011010000010
32220020012001010220212
4130032132031122002
5444032214240310
621531220234122
72122023051161
oct341636153202
986205033825
1030307571330
1111942919a13
125a59b3b942
132b2001417a
14167722d3d8
15bc5b31205
hex70e78d682

30307571330 has 32 divisors (see below), whose sum is σ = 55490070384. Its totient is φ = 11916066816.

The previous prime is 30307571309. The next prime is 30307571341. The reversal of 30307571330 is 3317570303.

It can be written as a sum of positive squares in 8 ways, for example, as 22725864001 + 7581707329 = 150751^2 + 87073^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 143042 + ... + 284738.

Almost surely, 230307571330 is an apocalyptic number.

30307571330 is a deficient number, since it is larger than the sum of its proper divisors (25182499054).

30307571330 is a wasteful number, since it uses less digits than its factorization.

30307571330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142070.

The product of its (nonzero) digits is 19845, while the sum is 32.

The spelling of 30307571330 in words is "thirty billion, three hundred seven million, five hundred seventy-one thousand, three hundred thirty".

Divisors: 1 2 5 10 73 146 293 365 586 730 1465 2930 21389 42778 106945 141697 213890 283394 708485 1416970 10343881 20687762 41517221 51719405 83034442 103438810 207586105 415172210 3030757133 6061514266 15153785665 30307571330