Base | Representation |
---|---|
bin | 11101001100100111… |
… | …010101010001011010 |
3 | 2222220211211122022100 |
4 | 131030213111101122 |
5 | 1003201114301414 |
6 | 22222502304230 |
7 | 2156612610624 |
oct | 351447252132 |
9 | 88824748270 |
10 | 31350150234 |
11 | 12328384977 |
12 | 60ab128076 |
13 | 2c5800b970 |
14 | 17358a1c14 |
15 | c37423609 |
hex | 74c9d545a |
31350150234 has 24 divisors (see below), whose sum is σ = 73150351092. Its totient is φ = 9646200000.
The previous prime is 31350150191. The next prime is 31350150269. The reversal of 31350150234 is 43205105313.
31350150234 is a `hidden beast` number, since 31 + 350 + 1 + 50 + 234 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 30748674609 + 601475625 = 175353^2 + 24525^2 .
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 31350150198 and 31350150207.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66987267 + ... + 66987734.
Almost surely, 231350150234 is an apocalyptic number.
31350150234 is an abundant number, since it is smaller than the sum of its proper divisors (41800200858).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31350150234 is a wasteful number, since it uses less digits than its factorization.
31350150234 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 133975022 (or 133975019 counting only the distinct ones).
The product of its (nonzero) digits is 5400, while the sum is 27.
Adding to 31350150234 its reverse (43205105313), we get a palindrome (74555255547).
The spelling of 31350150234 in words is "thirty-one billion, three hundred fifty million, one hundred fifty thousand, two hundred thirty-four".
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