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30855280803105 = 3511187001701837
BaseRepresentation
bin1110000010000000011100…
…00011010011110100100001
311001020201212120102021002210
413001000032003103310201
513021013103341144410
6145342415331032333
76333135423305343
oct701001603236441
9131221776367083
1030855280803105
119916718688390
123563b6313b6a9
13142a8432232b5
1478959151b293
1538793b383220
hex1c100e0d3d21

30855280803105 has 16 divisors (see below), whose sum is σ = 53856490129344. Its totient is φ = 14960136146880.

The previous prime is 30855280803047. The next prime is 30855280803107. The reversal of 30855280803105 is 50130808255803.

It is not a de Polignac number, because 30855280803105 - 225 = 30855247248673 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30855280803107) 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, 93500850754 + ... + 93500851083.

It is an arithmetic number, because the mean of its divisors is an integer number (3366030633084).

Almost surely, 230855280803105 is an apocalyptic number.

It is an amenable number.

30855280803105 is a deficient number, since it is larger than the sum of its proper divisors (23001209326239).

30855280803105 is a wasteful number, since it uses less digits than its factorization.

30855280803105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187001701856.

The product of its (nonzero) digits is 1152000, while the sum is 48.

The spelling of 30855280803105 in words is "thirty trillion, eight hundred fifty-five billion, two hundred eighty million, eight hundred three thousand, one hundred five".

Divisors: 1 3 5 11 15 33 55 165 187001701837 561005105511 935008509185 2057018720207 2805025527555 6171056160621 10285093601035 30855280803105