Base | Representation |
---|---|
bin | 1101110001011011000001… |
… | …00001110001000100001001 |
3 | 10222020020222221212122022100 |
4 | 12320231200201301010021 |
5 | 12432144032032243203 |
6 | 144224534121344013 |
7 | 6244023166264203 |
oct | 670554041610411 |
9 | 128206887778270 |
10 | 30285433868553 |
11 | 9716a86974196 |
12 | 349162a638009 |
13 | 13b8b9a591166 |
14 | 769b73b67773 |
15 | 377bd87c6ea3 |
hex | 1b8b60871109 |
30285433868553 has 24 divisors (see below), whose sum is σ = 43822144477800. Its totient is φ = 20155002568704.
The previous prime is 30285433868513. The next prime is 30285433868563. The reversal of 30285433868553 is 35586833458203.
30285433868553 is a `hidden beast` number, since 3 + 0 + 2 + 8 + 5 + 43 + 38 + 6 + 8 + 553 = 666.
It can be written as a sum of positive squares in 4 ways, for example, as 2784135856329 + 27501298012224 = 1668573^2 + 5244168^2 .
It is not a de Polignac number, because 30285433868553 - 28 = 30285433868297 is a prime.
It is a super-3 number, since 3×302854338685533 (a number of 41 digits) contains 333 as substring.
It is not an unprimeable number, because it can be changed into a prime (30285433868513) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11233201 + ... + 13665857.
It is an arithmetic number, because the mean of its divisors is an integer number (1825922686575).
Almost surely, 230285433868553 is an apocalyptic number.
It is an amenable number.
30285433868553 is a deficient number, since it is larger than the sum of its proper divisors (13536710609247).
30285433868553 is a wasteful number, since it uses less digits than its factorization.
30285433868553 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2435081 (or 2435078 counting only the distinct ones).
The product of its (nonzero) digits is 248832000, while the sum is 63.
The spelling of 30285433868553 in words is "thirty trillion, two hundred eighty-five billion, four hundred thirty-three million, eight hundred sixty-eight thousand, five hundred fifty-three".
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