Base | Representation |
---|---|
bin | 110100100001110100010010… |
… | …110110110001100000110011 |
3 | 1010021222111222011011010011222 |
4 | 310201310102312301200303 |
5 | 220240032143412424021 |
6 | 2135202103551455255 |
7 | 66442545155431055 |
oct | 6441642266614063 |
9 | 1107874864133158 |
10 | 231022312233011 |
11 | 6767a015575192 |
12 | 21ab1808b2752b |
13 | 9bba40640a7b0 |
14 | 410977a8338d5 |
15 | 1ba96493366ab |
hex | d21d12db1833 |
231022312233011 has 64 divisors (see below), whose sum is σ = 268004627251200. Its totient is φ = 197489876512896.
The previous prime is 231022312233007. The next prime is 231022312233059. The reversal of 231022312233011 is 110332213220132.
It is a cyclic number.
It is not a de Polignac number, because 231022312233011 - 22 = 231022312233007 is a prime.
It is a super-2 number, since 2×2310223122330112 (a number of 30 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (231022312253011) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6948649790 + ... + 6948683036.
It is an arithmetic number, because the mean of its divisors is an integer number (4187572300800).
Almost surely, 2231022312233011 is an apocalyptic number.
231022312233011 is a deficient number, since it is larger than the sum of its proper divisors (36982315018189).
231022312233011 is a wasteful number, since it uses less digits than its factorization.
231022312233011 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 39288.
The product of its (nonzero) digits is 2592, while the sum is 26.
Adding to 231022312233011 its reverse (110332213220132), we get a palindrome (341354525453143).
The spelling of 231022312233011 in words is "two hundred thirty-one trillion, twenty-two billion, three hundred twelve million, two hundred thirty-three thousand, eleven".
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