Base | Representation |
---|---|
bin | 10010111011111000… |
… | …111010111101001011 |
3 | 1221110222111020010102 |
4 | 102323320322331023 |
5 | 313120011130443 |
6 | 13201312040015 |
7 | 1316564153204 |
oct | 227370727513 |
9 | 57428436112 |
10 | 20332130123 |
11 | 8693a59328 |
12 | 3b3523300b |
13 | 1bc0445136 |
14 | dac4605ab |
15 | 7deec4cb8 |
hex | 4bbe3af4b |
20332130123 has 4 divisors (see below), whose sum is σ = 20332589160. Its totient is φ = 20331671088.
The previous prime is 20332130089. The next prime is 20332130129. The reversal of 20332130123 is 32103123302.
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 20332130123 - 234 = 3152260939 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 20332130095 and 20332130104.
It is not an unprimeable number, because it can be changed into a prime (20332130129) 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, 155018 + ... + 254351.
It is an arithmetic number, because the mean of its divisors is an integer number (5083147290).
Almost surely, 220332130123 is an apocalyptic number.
20332130123 is a deficient number, since it is larger than the sum of its proper divisors (459037).
20332130123 is an equidigital number, since it uses as much as digits as its factorization.
20332130123 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 459036.
The product of its (nonzero) digits is 648, while the sum is 20.
Adding to 20332130123 its reverse (32103123302), we get a palindrome (52435253425).
The spelling of 20332130123 in words is "twenty billion, three hundred thirty-two million, one hundred thirty thousand, one hundred twenty-three".
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