Base | Representation |
---|---|
bin | 110100100001110010101001… |
… | …011010001100001000110010 |
3 | 1010021222100101212021111010002 |
4 | 310201302221122030020302 |
5 | 220240020033020212320 |
6 | 2135201212233510002 |
7 | 66442453264345556 |
oct | 6441625132141062 |
9 | 1107870355244102 |
10 | 231020543132210 |
11 | 676792979a5607 |
12 | 21ab13b4572302 |
13 | 9bba1b3a48aa0 |
14 | 410964d8c1866 |
15 | 1ba9593d83675 |
hex | d21ca968c232 |
231020543132210 has 96 divisors (see below), whose sum is σ = 463810127832576. Its totient is φ = 82356736867200.
The previous prime is 231020543132209. The next prime is 231020543132257. The reversal of 231020543132210 is 12231345020132.
It is a super-3 number, since 3×2310205431322103 (a number of 44 digits) contains 333 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 51699587 + ... + 55990073.
It is an arithmetic number, because the mean of its divisors is an integer number (4831355498256).
Almost surely, 2231020543132210 is an apocalyptic number.
231020543132210 is an abundant number, since it is smaller than the sum of its proper divisors (232789584700366).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
231020543132210 is a wasteful number, since it uses less digits than its factorization.
231020543132210 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4291000 (or 4290969 counting only the distinct ones).
The product of its (nonzero) digits is 8640, while the sum is 29.
Adding to 231020543132210 its reverse (12231345020132), we get a palindrome (243251888152342).
The spelling of 231020543132210 in words is "two hundred thirty-one trillion, twenty billion, five hundred forty-three million, one hundred thirty-two thousand, two hundred ten".
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