Base | Representation |
---|---|
bin | 1001000111000000110000… |
… | …00011011001101001010011 |
3 | 2121221001102122122002120210 |
4 | 10203200120003121221103 |
5 | 10111201301014410303 |
6 | 110334344533135203 |
7 | 4135162611103131 |
oct | 443403003315123 |
9 | 77831378562523 |
10 | 20032131013203 |
11 | 64236407a1901 |
12 | 22b644018a503 |
13 | b24039004b9a |
14 | 4d37bb706751 |
15 | 24b135b01203 |
hex | 1238180d9a53 |
20032131013203 has 16 divisors (see below), whose sum is σ = 26804331868160. Its totient is φ = 13307343647904.
The previous prime is 20032131013201. The next prime is 20032131013253. The reversal of 20032131013203 is 30231013123002.
It is not a de Polignac number, because 20032131013203 - 21 = 20032131013201 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 20032131013203.
It is not an unprimeable number, because it can be changed into a prime (20032131013201) 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, 63196833 + ... + 63513021.
It is an arithmetic number, because the mean of its divisors is an integer number (1675270741760).
Almost surely, 220032131013203 is an apocalyptic number.
20032131013203 is a deficient number, since it is larger than the sum of its proper divisors (6772200854957).
20032131013203 is a wasteful number, since it uses less digits than its factorization.
20032131013203 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 391098.
The product of its (nonzero) digits is 648, while the sum is 21.
Adding to 20032131013203 its reverse (30231013123002), we get a palindrome (50263144136205).
The spelling of 20032131013203 in words is "twenty trillion, thirty-two billion, one hundred thirty-one million, thirteen thousand, two hundred three".
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