Base | Representation |
---|---|
bin | 1001001100110011110000… |
… | …00011000011100101100011 |
3 | 2122122002112210002120111110 |
4 | 10212121320003003211203 |
5 | 10122432210331444303 |
6 | 111010045134514403 |
7 | 4155443502604455 |
oct | 446317003034543 |
9 | 78562483076443 |
10 | 20231310031203 |
11 | 64a00610a1087 |
12 | 2328b68965a03 |
13 | b39a5c205a9b |
14 | 4dd2b475a2d5 |
15 | 2513e1e56703 |
hex | 1266780c3963 |
20231310031203 has 32 divisors (see below), whose sum is σ = 29456205520896. Its totient is φ = 12301312762368.
The previous prime is 20231310031171. The next prime is 20231310031211. The reversal of 20231310031203 is 30213001313202.
It is not a de Polignac number, because 20231310031203 - 25 = 20231310031171 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 20231310031203.
It is not an unprimeable number, because it can be changed into a prime (20231310031103) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36041976 + ... + 36598997.
It is an arithmetic number, because the mean of its divisors is an integer number (920506422528).
Almost surely, 220231310031203 is an apocalyptic number.
20231310031203 is a deficient number, since it is larger than the sum of its proper divisors (9224895489693).
20231310031203 is a wasteful number, since it uses less digits than its factorization.
20231310031203 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 72641163.
The product of its (nonzero) digits is 648, while the sum is 21.
Adding to 20231310031203 its reverse (30213001313202), we get a palindrome (50444311344405).
The spelling of 20231310031203 in words is "twenty trillion, two hundred thirty-one billion, three hundred ten million, thirty-one thousand, two hundred three".
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