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30071452305 = 357945755529
BaseRepresentation
bin11100000000011001…
…011111001010010001
32212121201202001111210
4130000121133022101
5443041242433210
621451543330333
72113125061416
oct340031371221
985551661453
1030071452305
1111831607224
1259b2a509a9
132ab312197b
141653b2810d
15bb003ee20
hex70065f291

30071452305 has 32 divisors (see below), whose sum is σ = 48830860800. Its totient is φ = 15800159232.

The previous prime is 30071452297. The next prime is 30071452309. The reversal of 30071452305 is 50325417003.

It is not a de Polignac number, because 30071452305 - 23 = 30071452297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30071452309) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 513781 + ... + 569309.

It is an arithmetic number, because the mean of its divisors is an integer number (1525964400).

Almost surely, 230071452305 is an apocalyptic number.

It is an amenable number.

30071452305 is a deficient number, since it is larger than the sum of its proper divisors (18759408495).

30071452305 is a wasteful number, since it uses less digits than its factorization.

30071452305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56073.

The product of its (nonzero) digits is 12600, while the sum is 30.

Adding to 30071452305 its reverse (50325417003), we get a palindrome (80396869308).

The spelling of 30071452305 in words is "thirty billion, seventy-one million, four hundred fifty-two thousand, three hundred five".

Divisors: 1 3 5 15 79 237 395 457 1185 1371 2285 6855 36103 55529 108309 166587 180515 277645 541545 832935 4386791 13160373 21933955 25376753 65801865 76130259 126883765 380651295 2004763487 6014290461 10023817435 30071452305