Base | Representation |
---|---|
bin | 1001001100110001100011… |
… | …10010010010101000000000 |
3 | 2122121222111121222022221021 |
4 | 10212120301302102220000 |
5 | 10122422302043344412 |
6 | 111005332145035224 |
7 | 4155402340144036 |
oct | 446306162225000 |
9 | 78558447868837 |
10 | 20230131231232 |
11 | 649a60675522a |
12 | 232889a025b14 |
13 | b39901c25000 |
14 | 4dd201d88556 |
15 | 251373707607 |
hex | 126631c92a00 |
20230131231232 has 320 divisors, whose sum is σ = 44582621529600. Its totient is φ = 9168589946880.
The previous prime is 20230131231221. The next prime is 20230131231259. The reversal of 20230131231232 is 23213213103202.
It is a junction number, because it is equal to n+sod(n) for n = 20230131231197 and 20230131231206.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35060885728 + ... + 35060886304.
It is an arithmetic number, because the mean of its divisors is an integer number (139320692280).
Almost surely, 220230131231232 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 20230131231232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22291310764800).
20230131231232 is an abundant number, since it is smaller than the sum of its proper divisors (24352490298368).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20230131231232 is an frugal number, since it uses more digits than its factorization.
20230131231232 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1144 (or 1102 counting only the distinct ones).
The product of its (nonzero) digits is 2592, while the sum is 25.
Adding to 20230131231232 its reverse (23213213103202), we get a palindrome (43443344334434).
The spelling of 20230131231232 in words is "twenty trillion, two hundred thirty billion, one hundred thirty-one million, two hundred thirty-one thousand, two hundred thirty-two".
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