Base | Representation |
---|---|
bin | 110100100110001100100010… |
… | …100010010000010010011110 |
3 | 1010100001021200010211220200000 |
4 | 310212030202202100102132 |
5 | 220304444430042001342 |
6 | 2135552231021515130 |
7 | 66503360052645423 |
oct | 6446144242202236 |
9 | 1110037603756600 |
10 | 231323223000222 |
11 | 6778569a888361 |
12 | 21b3bba7412aa6 |
13 | 9c0c8bcb328c2 |
14 | 411a1648d5d4a |
15 | 1bb23ab94c44c |
hex | d2632289049e |
231323223000222 has 48 divisors (see below), whose sum is σ = 533810947745712. Its totient is φ = 75023747994240.
The previous prime is 231323223000173. The next prime is 231323223000223. The reversal of 231323223000222 is 222000322323132.
231323223000222 is a `hidden beast` number, since 2 + 3 + 1 + 32 + 322 + 300 + 0 + 2 + 2 + 2 = 666.
It is a super-2 number, since 2×2313232230002222 (a number of 30 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (231323223000223) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6432059179 + ... + 6432095142.
It is an arithmetic number, because the mean of its divisors is an integer number (11121061411369).
Almost surely, 2231323223000222 is an apocalyptic number.
231323223000222 is an abundant number, since it is smaller than the sum of its proper divisors (302487724745490).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
231323223000222 is a wasteful number, since it uses less digits than its factorization.
231323223000222 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12864154375 (or 12864154363 counting only the distinct ones).
The product of its (nonzero) digits is 10368, while the sum is 27.
Adding to 231323223000222 its reverse (222000322323132), we get a palindrome (453323545323354).
It can be divided in two parts, 23132322 and 3000222, that added together give a square (26132544 = 51122).
The spelling of 231323223000222 in words is "two hundred thirty-one trillion, three hundred twenty-three billion, two hundred twenty-three million, two hundred twenty-two", and thus it is an aban number.
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