Base | Representation |
---|---|
bin | 11110111010010100110… |
… | …011010011111100011111 |
3 | 21112001221212111001010222 |
4 | 132322110303103330133 |
5 | 234300340320320411 |
6 | 4303503155151555 |
7 | 306316624555223 |
oct | 36722463237437 |
9 | 7461855431128 |
10 | 2124210323231 |
11 | 749966393087 |
12 | 2a38298a55bb |
13 | 125409b00159 |
14 | 74b53058783 |
15 | 3a3c79014db |
hex | 1ee94cd3f1f |
2124210323231 has 2 divisors, whose sum is σ = 2124210323232. Its totient is φ = 2124210323230.
The previous prime is 2124210323201. The next prime is 2124210323239. The reversal of 2124210323231 is 1323230124212.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 2124210323231 - 26 = 2124210323167 is a prime.
It is a super-2 number, since 2×21242103232312 (a number of 25 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 2124210323231.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2124210323239) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1062105161615 + 1062105161616.
It is an arithmetic number, because the mean of its divisors is an integer number (1062105161616).
Almost surely, 22124210323231 is an apocalyptic number.
2124210323231 is a deficient number, since it is larger than the sum of its proper divisors (1).
2124210323231 is an equidigital number, since it uses as much as digits as its factorization.
2124210323231 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 3456, while the sum is 26.
Adding to 2124210323231 its reverse (1323230124212), we get a palindrome (3447440447443).
The spelling of 2124210323231 in words is "two trillion, one hundred twenty-four billion, two hundred ten million, three hundred twenty-three thousand, two hundred thirty-one".
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