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30105080607 = 3712251117017
BaseRepresentation
bin11100000010011001…
…110001001100011111
32212201002000112212110
4130002121301030133
5443123400034412
621455144205103
72114013651210
oct340231611437
985632015773
1030105080607
1111849595708
125a02169793
132aba097284
14165839d407
15bb2e83d3c
hex70267131f

30105080607 has 16 divisors (see below), whose sum is σ = 45878545152. Its totient is φ = 17201352000.

The previous prime is 30105080573. The next prime is 30105080647. The reversal of 30105080607 is 70608050103.

It is not a de Polignac number, because 30105080607 - 26 = 30105080543 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30105080647) by changing a digit.

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, 198763 + ... + 315779.

It is an arithmetic number, because the mean of its divisors is an integer number (2867409072).

Almost surely, 230105080607 is an apocalyptic number.

30105080607 is a deficient number, since it is larger than the sum of its proper divisors (15773464545).

30105080607 is a wasteful number, since it uses less digits than its factorization.

30105080607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129278.

The product of its (nonzero) digits is 5040, while the sum is 30.

The spelling of 30105080607 in words is "thirty billion, one hundred five million, eighty thousand, six hundred seven".

Divisors: 1 3 7 21 12251 36753 85757 117017 257271 351051 819119 2457357 1433575267 4300725801 10035026869 30105080607