Base | Representation |
---|---|
bin | 10010101010011111… |
… | …110010111100011001 |
3 | 1220201122102022000201 |
4 | 102222133302330121 |
5 | 312020311043113 |
6 | 13112325502201 |
7 | 1306422001042 |
oct | 225237627431 |
9 | 56648368021 |
10 | 20040331033 |
11 | 8554276358 |
12 | 3a73571961 |
13 | 1b74b59058 |
14 | d817c38c9 |
15 | 7c4585cdd |
hex | 4aa7f2f19 |
20040331033 has 2 divisors, whose sum is σ = 20040331034. Its totient is φ = 20040331032.
The previous prime is 20040331027. The next prime is 20040331039. The reversal of 20040331033 is 33013304002.
It is a balanced prime because it is at equal distance from previous prime (20040331027) and next prime (20040331039).
It can be written as a sum of positive squares in only one way, i.e., 10320934464 + 9719396569 = 101592^2 + 98587^2 .
It is a cyclic number.
It is not a de Polignac number, because 20040331033 - 221 = 20038233881 is a prime.
It is a super-2 number, since 2×200403310332 (a number of 21 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 20040331033.
It is not a weakly prime, because it can be changed into another prime (20040331039) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10020165516 + 10020165517.
It is an arithmetic number, because the mean of its divisors is an integer number (10020165517).
Almost surely, 220040331033 is an apocalyptic number.
It is an amenable number.
20040331033 is a deficient number, since it is larger than the sum of its proper divisors (1).
20040331033 is an equidigital number, since it uses as much as digits as its factorization.
20040331033 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 648, while the sum is 19.
Adding to 20040331033 its reverse (33013304002), we get a palindrome (53053635035).
The spelling of 20040331033 in words is "twenty billion, forty million, three hundred thirty-one thousand, thirty-three".
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