Base | Representation |
---|---|
bin | 1101011110000011001… |
… | …0010010010000000110 |
3 | 211010021222110212102211 |
4 | 3113200302102100012 |
5 | 12242404030420110 |
6 | 254150014254034 |
7 | 22501264115221 |
oct | 3274062222006 |
9 | 733258425384 |
10 | 231404545030 |
11 | 8a15791874a |
12 | 38a20ab731a |
13 | 18a8a6946b9 |
14 | b2b2ca25b8 |
15 | 604553e98a |
hex | 35e0c92406 |
231404545030 has 32 divisors (see below), whose sum is σ = 432567980640. Its totient is φ = 89022259200.
The previous prime is 231404545019. The next prime is 231404545051. The reversal of 231404545030 is 30545404132.
It is a junction number, because it is equal to n+sod(n) for n = 231404544983 and 231404545001.
It is a congruent number.
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, 1477896 + ... + 1626955.
It is an arithmetic number, because the mean of its divisors is an integer number (13517749395).
Almost surely, 2231404545030 is an apocalyptic number.
231404545030 is a deficient number, since it is larger than the sum of its proper divisors (201163435610).
231404545030 is a wasteful number, since it uses less digits than its factorization.
231404545030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3105144.
The product of its (nonzero) digits is 28800, while the sum is 31.
Adding to 231404545030 its reverse (30545404132), we get a palindrome (261949949162).
The spelling of 231404545030 in words is "two hundred thirty-one billion, four hundred four million, five hundred forty-five thousand, thirty".
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