Base | Representation |
---|---|
bin | 1011101100110111101… |
… | …0000000111011000111 |
3 | 201012212122022010222200 |
4 | 2323031322000323013 |
5 | 11243143344024111 |
6 | 232203153125543 |
7 | 20344352405412 |
oct | 2731572007307 |
9 | 635778263880 |
10 | 201023033031 |
11 | 78287297047 |
12 | 32b622598b3 |
13 | 15c58262172 |
14 | 9a2dd06b79 |
15 | 53681a5256 |
hex | 2ecde80ec7 |
201023033031 has 12 divisors (see below), whose sum is σ = 290943879408. Its totient is φ = 133748920224.
The previous prime is 201023033021. The next prime is 201023033047. The reversal of 201023033031 is 130330320102.
It is not a de Polignac number, because 201023033031 - 214 = 201023016647 is a prime.
It is a super-2 number, since 2×2010230330312 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 201023032995 and 201023033013.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (201023033021) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22198150 + ... + 22207203.
It is an arithmetic number, because the mean of its divisors is an integer number (24245323284).
Almost surely, 2201023033031 is an apocalyptic number.
201023033031 is a deficient number, since it is larger than the sum of its proper divisors (89920846377).
201023033031 is a wasteful number, since it uses less digits than its factorization.
201023033031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 44405862 (or 44405859 counting only the distinct ones).
The product of its (nonzero) digits is 324, while the sum is 18.
Adding to 201023033031 its reverse (130330320102), we get a palindrome (331353353133).
The spelling of 201023033031 in words is "two hundred one billion, twenty-three million, thirty-three thousand, thirty-one".
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