Base | Representation |
---|---|
bin | 11110110110100000011… |
… | …010101100111010111111 |
3 | 21111200101010102210021201 |
4 | 132312200122230322333 |
5 | 234213441204344411 |
6 | 4301544252040331 |
7 | 306113210424226 |
oct | 36664032547277 |
9 | 7450333383251 |
10 | 2120110231231 |
11 | 748151a552a3 |
12 | 2a2a847630a7 |
13 | 124c05535105 |
14 | 748846cbcbd |
15 | 3a2379a93c1 |
hex | 1eda06acebf |
2120110231231 has 8 divisors (see below), whose sum is σ = 2244906369504. Its totient is φ = 1995323400960.
The previous prime is 2120110231223. The next prime is 2120110231241. The reversal of 2120110231231 is 1321320110212.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 2120110231231 - 23 = 2120110231223 is a prime.
It is a super-2 number, since 2×21201102312312 (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 = 2120110231199 and 2120110231208.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2120110231201) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1855315 + ... + 2771716.
It is an arithmetic number, because the mean of its divisors is an integer number (280613296188).
Almost surely, 22120110231231 is an apocalyptic number.
2120110231231 is a deficient number, since it is larger than the sum of its proper divisors (124796138273).
2120110231231 is a wasteful number, since it uses less digits than its factorization.
2120110231231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4654001.
The product of its (nonzero) digits is 144, while the sum is 19.
Adding to 2120110231231 its reverse (1321320110212), we get a palindrome (3441430341443).
The spelling of 2120110231231 in words is "two trillion, one hundred twenty billion, one hundred ten million, two hundred thirty-one thousand, two hundred thirty-one".
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