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30255305505 = 352843709469
BaseRepresentation
bin11100001011010110…
…110101001100100001
32220002112200202200120
4130023112311030201
5443430324234010
621522112110453
72120516565525
oct341326651441
986075622616
1030255305505
1111916370917
125a44535429
132b12244649
141670305d85
15bc1259e70
hex70b5b5321

30255305505 has 16 divisors (see below), whose sum is σ = 48425584320. Its totient is φ = 16130464448.

The previous prime is 30255305497. The next prime is 30255305527. The reversal of 30255305505 is 50550355203.

It is a cyclic number.

It is not a de Polignac number, because 30255305505 - 23 = 30255305497 is a prime.

It is a super-2 number, since 2×302553055052 (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

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, 312090 + ... + 397379.

It is an arithmetic number, because the mean of its divisors is an integer number (3026599020).

Almost surely, 230255305505 is an apocalyptic number.

It is an amenable number.

30255305505 is a deficient number, since it is larger than the sum of its proper divisors (18170278815).

30255305505 is a wasteful number, since it uses less digits than its factorization.

30255305505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 712320.

The product of its (nonzero) digits is 56250, while the sum is 33.

The spelling of 30255305505 in words is "thirty billion, two hundred fifty-five million, three hundred five thousand, five hundred five".

Divisors: 1 3 5 15 2843 8529 14215 42645 709469 2128407 3547345 10642035 2017020367 6051061101 10085101835 30255305505