Base | Representation |
---|---|
bin | 111100110100010… |
… | …000000010001011 |
3 | 2122002221010210120 |
4 | 330310100002023 |
5 | 4042201030443 |
6 | 245125114323 |
7 | 34166443251 |
oct | 7464200213 |
9 | 2562833716 |
10 | 1020330123 |
11 | 483a4a13a |
12 | 2458589a3 |
13 | 133507947 |
14 | 997205d1 |
15 | 5e89a083 |
hex | 3cd1008b |
1020330123 has 16 divisors (see below), whose sum is σ = 1448437536. Its totient is φ = 636664320.
The previous prime is 1020330121. The next prime is 1020330133. The reversal of 1020330123 is 3210330201.
It is not a de Polignac number, because 1020330123 - 21 = 1020330121 is a prime.
It is not an unprimeable number, because it can be changed into a prime (1020330121) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46036 + ... + 64497.
It is an arithmetic number, because the mean of its divisors is an integer number (90527346).
Almost surely, 21020330123 is an apocalyptic number.
1020330123 is a deficient number, since it is larger than the sum of its proper divisors (428107413).
1020330123 is a wasteful number, since it uses less digits than its factorization.
1020330123 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 110734.
The product of its (nonzero) digits is 108, while the sum is 15.
The square root of 1020330123 is about 31942.6067032733. The cubic root of 1020330123 is about 1006.7312956596.
Adding to 1020330123 its reverse (3210330201), we get a palindrome (4230660324).
The spelling of 1020330123 in words is "one billion, twenty million, three hundred thirty thousand, one hundred twenty-three".
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