Base | Representation |
---|---|
bin | 101110001010011111010111… |
… | …001111011100110110111111 |
3 | 222121212120112012001202200100 |
4 | 232022133113033130312333 |
5 | 203102430002102413043 |
6 | 1555451054121132143 |
7 | 60523335463036134 |
oct | 5612372717346677 |
9 | 877776465052610 |
10 | 203031010201023 |
11 | 59767a71284034 |
12 | 1a93092a62a053 |
13 | 8939985553254 |
14 | 381ca791aa58b |
15 | 1871480e55cd3 |
hex | b8a7d73dcdbf |
203031010201023 has 24 divisors (see below), whose sum is σ = 294909769954800. Its totient is φ = 134595834609024.
The previous prime is 203031010200979. The next prime is 203031010201043. The reversal of 203031010201023 is 320102010130302.
It is not a de Polignac number, because 203031010201023 - 218 = 203031009938879 is a prime.
It is a super-2 number, since 2×2030310102010232 (a number of 29 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 203031010200987 and 203031010201005.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (203031010201043) 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, 111442713 + ... + 113249901.
It is an arithmetic number, because the mean of its divisors is an integer number (12287907081450).
Almost surely, 2203031010201023 is an apocalyptic number.
203031010201023 is a deficient number, since it is larger than the sum of its proper divisors (91878759753777).
203031010201023 is a wasteful number, since it uses less digits than its factorization.
203031010201023 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1877111 (or 1877108 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
Adding to 203031010201023 its reverse (320102010130302), we get a palindrome (523133020331325).
The spelling of 203031010201023 in words is "two hundred three trillion, thirty-one billion, ten million, two hundred one thousand, twenty-three".
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