Base | Representation |
---|---|
bin | 1001000110111111001111… |
… | …11010010101100111011000 |
3 | 2121220222100100211120221022 |
4 | 10203133213322111213120 |
5 | 10111143122233043112 |
6 | 110334132441502012 |
7 | 4135133602652456 |
oct | 443374772254730 |
9 | 77828310746838 |
10 | 20031323331032 |
11 | 6423266894282 |
12 | 22b62557a1908 |
13 | b23c3a892440 |
14 | 4d374233b9d6 |
15 | 24b0d9c5cd72 |
hex | 1237e7e959d8 |
20031323331032 has 16 divisors (see below), whose sum is σ = 40447864418640. Its totient is φ = 9245226152736.
The previous prime is 20031323331031. The next prime is 20031323331037. The reversal of 20031323331032 is 23013332313002.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (26).
It is a junction number, because it is equal to n+sod(n) for n = 20031323330992 and 20031323331010.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20031323331031) 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, 96304438988 + ... + 96304439195.
It is an arithmetic number, because the mean of its divisors is an integer number (2527991526165).
Almost surely, 220031323331032 is an apocalyptic number.
It is an amenable number.
20031323331032 is an abundant number, since it is smaller than the sum of its proper divisors (20416541087608).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20031323331032 is a wasteful number, since it uses less digits than its factorization.
20031323331032 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 192608878202 (or 192608878198 counting only the distinct ones).
The product of its (nonzero) digits is 5832, while the sum is 26.
Adding to 20031323331032 its reverse (23013332313002), we get a palindrome (43044655644034).
The spelling of 20031323331032 in words is "twenty trillion, thirty-one billion, three hundred twenty-three million, three hundred thirty-one thousand, thirty-two".
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