Base | Representation |
---|---|
bin | 11101011001010011001… |
… | …110110110011101010011 |
3 | 21011010001102202122220200 |
4 | 131121103032312131103 |
5 | 231044010420443443 |
6 | 4143553415310243 |
7 | 265641152313510 |
oct | 35312316663523 |
9 | 7133042678820 |
10 | 2020031031123 |
11 | 709765944a66 |
12 | 2875b437b383 |
13 | 1186464b5401 |
14 | 6daacd32307 |
15 | 3782b827dd3 |
hex | 1d6533b6753 |
2020031031123 has 24 divisors (see below), whose sum is σ = 3341446008576. Its totient is φ = 1151952505200.
The previous prime is 2020031031113. The next prime is 2020031031131. The reversal of 2020031031123 is 3211301300202.
2020031031123 is a `hidden beast` number, since 2 + 0 + 20 + 0 + 310 + 311 + 23 = 666.
It is not a de Polignac number, because 2020031031123 - 221 = 2020028933971 is a prime.
It is a super-2 number, since 2×20200310311232 (a number of 25 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 2020031031096 and 2020031031105.
It is not an unprimeable number, because it can be changed into a prime (2020031031113) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32620783 + ... + 32682648.
It is an arithmetic number, because the mean of its divisors is an integer number (139226917024).
Almost surely, 22020031031123 is an apocalyptic number.
2020031031123 is a deficient number, since it is larger than the sum of its proper divisors (1321414977453).
2020031031123 is a wasteful number, since it uses less digits than its factorization.
2020031031123 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 65303935 (or 65303932 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
Adding to 2020031031123 its reverse (3211301300202), we get a palindrome (5231332331325).
The spelling of 2020031031123 in words is "two trillion, twenty billion, thirty-one million, thirty-one thousand, one hundred twenty-three".
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