Base | Representation |
---|---|
bin | 100000010011110000001… |
… | …001101111101100011111 |
3 | 21212020210210121100122012 |
4 | 200103300021233230133 |
5 | 242334013421224411 |
6 | 4415543253341435 |
7 | 316256265261446 |
oct | 40236011575437 |
9 | 7766723540565 |
10 | 2220232211231 |
11 | 786660224811 |
12 | 2ba36733787b |
13 | 1314a03b2a68 |
14 | 79661a21d5d |
15 | 3cb4778b18b |
hex | 204f026fb1f |
2220232211231 has 4 divisors (see below), whose sum is σ = 2221048776000. Its totient is φ = 2219415646464.
The previous prime is 2220232211227. The next prime is 2220232211251. The reversal of 2220232211231 is 1321122320222.
It is a happy number.
2220232211231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 2220232211231 - 22 = 2220232211227 is a prime.
It is a super-2 number, since 2×22202322112312 (a number of 25 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2220232211197 and 2220232211206.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2220232211251) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 408278306 + ... + 408283743.
It is an arithmetic number, because the mean of its divisors is an integer number (555262194000).
Almost surely, 22220232211231 is an apocalyptic number.
2220232211231 is a deficient number, since it is larger than the sum of its proper divisors (816564769).
2220232211231 is an equidigital number, since it uses as much as digits as its factorization.
2220232211231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 816564768.
The product of its (nonzero) digits is 1152, while the sum is 23.
Adding to 2220232211231 its reverse (1321122320222), we get a palindrome (3541354531453).
The spelling of 2220232211231 in words is "two trillion, two hundred twenty billion, two hundred thirty-two million, two hundred eleven thousand, two hundred thirty-one".
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