Base | Representation |
---|---|
bin | 1000010010000011… |
… | …1010010100111111 |
3 | 12201221101021112122 |
4 | 2010200322110333 |
5 | 14023121020111 |
6 | 1004335153155 |
7 | 106044026024 |
oct | 20440722477 |
9 | 5657337478 |
10 | 2223220031 |
11 | a40a4a12a |
12 | 5206757bb |
13 | 2957a1616 |
14 | 1713a354b |
15 | d02a6cdb |
hex | 8483a53f |
2223220031 has 2 divisors, whose sum is σ = 2223220032. Its totient is φ = 2223220030.
The previous prime is 2223220019. The next prime is 2223220079. The reversal of 2223220031 is 1300223222.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 2223220031 - 210 = 2223219007 is a prime.
It is a super-2 number, since 2×22232200312 = 9885414612479281922, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 2223219991 and 2223220009.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2223220631) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1111610015 + 1111610016.
It is an arithmetic number, because the mean of its divisors is an integer number (1111610016).
Almost surely, 22223220031 is an apocalyptic number.
2223220031 is a deficient number, since it is larger than the sum of its proper divisors (1).
2223220031 is an equidigital number, since it uses as much as digits as its factorization.
2223220031 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 288, while the sum is 17.
The square root of 2223220031 is about 47151.0342516471. The cubic root of 2223220031 is about 1305.1511656287.
Adding to 2223220031 its reverse (1300223222), we get a palindrome (3523443253).
The spelling of 2223220031 in words is "two billion, two hundred twenty-three million, two hundred twenty thousand, thirty-one".
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