Base | Representation |
---|---|
bin | 1101011110010110100… |
… | …0011100110011101011 |
3 | 211010111122110201212200 |
4 | 3113211220130303223 |
5 | 12243040334243112 |
6 | 254202041111243 |
7 | 22503302166351 |
oct | 3274550346353 |
9 | 733448421780 |
10 | 231485852907 |
11 | 8a199802541 |
12 | 38a44188523 |
13 | 18aa149217a |
14 | b2bd9c97d1 |
15 | 604c750cdc |
hex | 35e5a1cceb |
231485852907 has 12 divisors (see below), whose sum is σ = 334390329000. Its totient is φ = 154313805888.
The previous prime is 231485852893. The next prime is 231485852929. The reversal of 231485852907 is 709258584132.
231485852907 is a `hidden beast` number, since 2 + 31 + 4 + 8 + 585 + 29 + 0 + 7 = 666.
It is not a de Polignac number, because 231485852907 - 211 = 231485850859 is a prime.
It is a super-3 number, since 3×2314858529073 (a number of 35 digits) contains 333 as substring.
It is not an unprimeable number, because it can be changed into a prime (231485852957) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 694782 + ... + 972467.
It is an arithmetic number, because the mean of its divisors is an integer number (27865860750).
Almost surely, 2231485852907 is an apocalyptic number.
231485852907 is a deficient number, since it is larger than the sum of its proper divisors (102904476093).
231485852907 is a wasteful number, since it uses less digits than its factorization.
231485852907 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1682682 (or 1682679 counting only the distinct ones).
The product of its (nonzero) digits is 4838400, while the sum is 54.
The spelling of 231485852907 in words is "two hundred thirty-one billion, four hundred eighty-five million, eight hundred fifty-two thousand, nine hundred seven".
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