Base | Representation |
---|---|
bin | 11100011010010001… |
… | …010001001011100001 |
3 | 2220201222111020120020 |
4 | 130122101101023201 |
5 | 444433402134010 |
6 | 22003010504053 |
7 | 2126645342556 |
oct | 343221211341 |
9 | 86658436506 |
10 | 30505505505 |
11 | 11a34620882 |
12 | 5ab4295029 |
13 | 2b52027097 |
14 | 1695634a2d |
15 | bd81cd470 |
hex | 71a4512e1 |
30505505505 has 16 divisors (see below), whose sum is σ = 48998732544. Its totient is φ = 16206295040.
The previous prime is 30505505489. The next prime is 30505505519. The reversal of 30505505505 is 50550550503.
It is not a de Polignac number, because 30505505505 - 24 = 30505505489 is a prime.
It is a super-2 number, since 2×305055055052 (a number of 22 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3952761 + ... + 3960470.
It is an arithmetic number, because the mean of its divisors is an integer number (3062420784).
Almost surely, 230505505505 is an apocalyptic number.
It is an amenable number.
30505505505 is a deficient number, since it is larger than the sum of its proper divisors (18493227039).
30505505505 is a wasteful number, since it uses less digits than its factorization.
30505505505 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7913496.
The product of its (nonzero) digits is 46875, while the sum is 33.
The spelling of 30505505505 in words is "thirty billion, five hundred five million, five hundred five thousand, five hundred five".
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