Base | Representation |
---|---|
bin | 1001001011111101101111… |
… | …01001011111111000010111 |
3 | 2122112022200212202022022210 |
4 | 10211332313221133320113 |
5 | 10121443313422131403 |
6 | 110544451504524503 |
7 | 4153366063145301 |
oct | 445766751377027 |
9 | 78468625668283 |
10 | 20202312302103 |
11 | 6489830692008 |
12 | 2323415620733 |
13 | b370ba6946b9 |
14 | 4dbb23490971 |
15 | 25079630bb03 |
hex | 125fb7a5fe17 |
20202312302103 has 64 divisors (see below), whose sum is σ = 27840195072000. Its totient is φ = 13025737105920.
The previous prime is 20202312302083. The next prime is 20202312302111. The reversal of 20202312302103 is 30120321320202.
It is a happy number.
It is not a de Polignac number, because 20202312302103 - 225 = 20202278747671 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 20202312302103.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20202312302153) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (29) of ones.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2121863983 + ... + 2121873503.
It is an arithmetic number, because the mean of its divisors is an integer number (435003048000).
Almost surely, 220202312302103 is an apocalyptic number.
20202312302103 is a deficient number, since it is larger than the sum of its proper divisors (7637882769897).
20202312302103 is a wasteful number, since it uses less digits than its factorization.
20202312302103 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10452.
The product of its (nonzero) digits is 864, while the sum is 21.
Adding to 20202312302103 its reverse (30120321320202), we get a palindrome (50322633622305).
The spelling of 20202312302103 in words is "twenty trillion, two hundred two billion, three hundred twelve million, three hundred two thousand, one hundred three".
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