Base | Representation |
---|---|
bin | 11101100011101110010… |
… | …110000000011011000100 |
3 | 21012011221110000100012201 |
4 | 131203232112000123010 |
5 | 231234421131410040 |
6 | 4153044152524244 |
7 | 266515415155312 |
oct | 35435626003304 |
9 | 7164843010181 |
10 | 2031223310020 |
11 | 713489671833 |
12 | 2897b86b0684 |
13 | 11970b1c2848 |
14 | 704515750b2 |
15 | 37c841e8a9a |
hex | 1d8ee5806c4 |
2031223310020 has 48 divisors (see below), whose sum is σ = 4268452801536. Its totient is φ = 811940256000.
The previous prime is 2031223309993. The next prime is 2031223310027. The reversal of 2031223310020 is 200133221302.
It is a self number, because there is not a number n which added to its sum of digits gives 2031223310020.
It is not an unprimeable number, because it can be changed into a prime (2031223310027) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 277447960 + ... + 277455280.
It is an arithmetic number, because the mean of its divisors is an integer number (88926100032).
Almost surely, 22031223310020 is an apocalyptic number.
2031223310020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2031223310020 is an abundant number, since it is smaller than the sum of its proper divisors (2237229491516).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2031223310020 is a wasteful number, since it uses less digits than its factorization.
2031223310020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14812 (or 14810 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 19.
Adding to 2031223310020 its reverse (200133221302), we get a palindrome (2231356531322).
The spelling of 2031223310020 in words is "two trillion, thirty-one billion, two hundred twenty-three million, three hundred ten thousand, twenty".
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