Base | Representation |
---|---|
bin | 10011010111100111101… |
… | …001100100110011110000 |
3 | 11201020121212021100102212 |
4 | 103113213221210303300 |
5 | 133301423010030112 |
6 | 2455244540431252 |
7 | 165110124426335 |
oct | 23274751446360 |
9 | 4636555240385 |
10 | 1331031330032 |
11 | 47353a538798 |
12 | 195b67848528 |
13 | 98692048ba1 |
14 | 485ca97898c |
15 | 2495336d522 |
hex | 135e7a64cf0 |
1331031330032 has 20 divisors (see below), whose sum is σ = 2714603371080. Its totient is φ = 630488524608.
The previous prime is 1331031330023. The next prime is 1331031330049. The reversal of 1331031330032 is 2300331301331.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2189195963 + ... + 2189196570.
It is an arithmetic number, because the mean of its divisors is an integer number (135730168554).
Almost surely, 21331031330032 is an apocalyptic number.
It is an amenable number.
1331031330032 is an abundant number, since it is smaller than the sum of its proper divisors (1383572041048).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1331031330032 is a wasteful number, since it uses less digits than its factorization.
1331031330032 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4378392560 (or 4378392554 counting only the distinct ones).
The product of its (nonzero) digits is 1458, while the sum is 23.
Adding to 1331031330032 its reverse (2300331301331), we get a palindrome (3631362631363).
The spelling of 1331031330032 in words is "one trillion, three hundred thirty-one billion, thirty-one million, three hundred thirty thousand, thirty-two".
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