Base | Representation |
---|---|
bin | 11110110110100001110… |
… | …010011011111010010111 |
3 | 21111200102201201020222112 |
4 | 132312201302123322113 |
5 | 234214013101331411 |
6 | 4301550433021235 |
7 | 306113610053552 |
oct | 36664162337227 |
9 | 7450381636875 |
10 | 2120133230231 |
11 | 748163a33835 |
12 | 2a2a903b481b |
13 | 124c0a2285a3 |
14 | 74887797699 |
15 | 3a2399edb8b |
hex | 1eda1c9be97 |
2120133230231 has 4 divisors (see below), whose sum is σ = 2171843796864. Its totient is φ = 2068422663600.
The previous prime is 2120133230197. The next prime is 2120133230233. The reversal of 2120133230231 is 1320323310212.
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 2120133230231 - 26 = 2120133230167 is a prime.
It is a super-2 number, since 2×21201332302312 (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 = 2120133230197 and 2120133230206.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2120133230233) 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, 25855283255 + ... + 25855283336.
It is an arithmetic number, because the mean of its divisors is an integer number (542960949216).
Almost surely, 22120133230231 is an apocalyptic number.
2120133230231 is a deficient number, since it is larger than the sum of its proper divisors (51710566633).
2120133230231 is an equidigital number, since it uses as much as digits as its factorization.
2120133230231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 51710566632.
The product of its (nonzero) digits is 1296, while the sum is 23.
Adding to 2120133230231 its reverse (1320323310212), we get a palindrome (3440456540443).
The spelling of 2120133230231 in words is "two trillion, one hundred twenty billion, one hundred thirty-three million, two hundred thirty thousand, two hundred thirty-one".
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