Base | Representation |
---|---|
bin | 11100011011110001… |
… | …101100011101001111 |
3 | 2220210202001110211210 |
4 | 130123301230131033 |
5 | 1000011340024210 |
6 | 22005312345503 |
7 | 2130403242213 |
oct | 343361543517 |
9 | 86722043753 |
10 | 30530783055 |
11 | 11a47916213 |
12 | 5b00845293 |
13 | 2b57337706 |
14 | 1698b34943 |
15 | bda522e20 |
hex | 71bc6c74f |
30530783055 has 16 divisors (see below), whose sum is σ = 51722738784. Its totient is φ = 15325255680.
The previous prime is 30530783053. The next prime is 30530783071. The reversal of 30530783055 is 55038703503.
It is not a de Polignac number, because 30530783055 - 21 = 30530783053 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30530783053) 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, 59864026 + ... + 59864535.
It is an arithmetic number, because the mean of its divisors is an integer number (3232671174).
Almost surely, 230530783055 is an apocalyptic number.
30530783055 is a deficient number, since it is larger than the sum of its proper divisors (21191955729).
30530783055 is a wasteful number, since it uses less digits than its factorization.
30530783055 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 119728586.
The product of its (nonzero) digits is 189000, while the sum is 39.
The spelling of 30530783055 in words is "thirty billion, five hundred thirty million, seven hundred eighty-three thousand, fifty-five".
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