Base | Representation |
---|---|
bin | 1101011101011001110… |
… | …1001001100100110100 |
3 | 211002211220100200002010 |
4 | 3113112131021210310 |
5 | 12242030143413213 |
6 | 254120503444220 |
7 | 22464061021266 |
oct | 3272635114464 |
9 | 732756320063 |
10 | 231231232308 |
11 | 8a07900329a |
12 | 38992a56670 |
13 | 18a607c25ab |
14 | b297c69b36 |
15 | 6035207ac3 |
hex | 35d6749934 |
231231232308 has 24 divisors (see below), whose sum is σ = 539548551360. Its totient is φ = 77075790400.
The previous prime is 231231232307. The next prime is 231231232333. The reversal of 231231232308 is 803232132132.
It is a super-3 number, since 3×2312312323083 (a number of 35 digits) contains 333 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (231231232307) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 833608 + ... + 1075808.
It is an arithmetic number, because the mean of its divisors is an integer number (22481189640).
Almost surely, 2231231232308 is an apocalyptic number.
It is an amenable number.
231231232308 is an abundant number, since it is smaller than the sum of its proper divisors (308317319052).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
231231232308 is a wasteful number, since it uses less digits than its factorization.
231231232308 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 321767 (or 321765 counting only the distinct ones).
The product of its (nonzero) digits is 10368, while the sum is 30.
The spelling of 231231232308 in words is "two hundred thirty-one billion, two hundred thirty-one million, two hundred thirty-two thousand, three hundred eight".
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