Base | Representation |
---|---|
bin | 11100011010010001… |
… | …001111111001011111 |
3 | 2220201222110222100210 |
4 | 130122101033321133 |
5 | 444433402002010 |
6 | 22003010423503 |
7 | 2126645321346 |
oct | 343221177137 |
9 | 86658428323 |
10 | 30505500255 |
11 | 11a3461793a |
12 | 5ab4291b93 |
13 | 2b52024889 |
14 | 1695632b5d |
15 | bd81cbb20 |
hex | 71a44fe5f |
30505500255 has 16 divisors (see below), whose sum is σ = 51377685120. Its totient is φ = 15413305248.
The previous prime is 30505500253. The next prime is 30505500257. The reversal of 30505500255 is 55200550503.
It is an interprime number because it is at equal distance from previous prime (30505500253) and next prime (30505500257).
It is not a de Polignac number, because 30505500255 - 21 = 30505500253 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30505500253) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53518137 + ... + 53518706.
It is an arithmetic number, because the mean of its divisors is an integer number (3211105320).
Almost surely, 230505500255 is an apocalyptic number.
30505500255 is a deficient number, since it is larger than the sum of its proper divisors (20872184865).
30505500255 is a wasteful number, since it uses less digits than its factorization.
30505500255 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 107036870.
The product of its (nonzero) digits is 18750, while the sum is 30.
The spelling of 30505500255 in words is "thirty billion, five hundred five million, five hundred thousand, two hundred fifty-five".
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