Base | Representation |
---|---|
bin | 11110111000011000010… |
… | …110001110010010111011 |
3 | 21111212120100112122110221 |
4 | 132320120112032102323 |
5 | 234232101303320011 |
6 | 4302520050120511 |
7 | 306214112060326 |
oct | 36703026162273 |
9 | 7455510478427 |
10 | 2122122323131 |
11 | 748a94800768 |
12 | 2a3346580137 |
13 | 125166354235 |
14 | 749d5a137bd |
15 | 3a304459971 |
hex | 1ee1858e4bb |
2122122323131 has 4 divisors (see below), whose sum is σ = 2143999872952. Its totient is φ = 2100244773312.
The previous prime is 2122122323129. The next prime is 2122122323137. The reversal of 2122122323131 is 1313232212212.
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 2122122323131 - 21 = 2122122323129 is a prime.
It is a super-2 number, since 2×21221223231312 (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 = 2122122323096 and 2122122323105.
It is not an unprimeable number, because it can be changed into a prime (2122122323137) 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, 10938774765 + ... + 10938774958.
It is an arithmetic number, because the mean of its divisors is an integer number (535999968238).
Almost surely, 22122122323131 is an apocalyptic number.
2122122323131 is a deficient number, since it is larger than the sum of its proper divisors (21877549821).
2122122323131 is an equidigital number, since it uses as much as digits as its factorization.
2122122323131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21877549820.
The product of its digits is 1728, while the sum is 25.
Adding to 2122122323131 its reverse (1313232212212), we get a palindrome (3435354535343).
The spelling of 2122122323131 in words is "two trillion, one hundred twenty-two billion, one hundred twenty-two million, three hundred twenty-three thousand, one hundred thirty-one".
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