Base | Representation |
---|---|
bin | 1001001011111011010101… |
… | …01100011100110000010111 |
3 | 2122112012100220101001111022 |
4 | 10211331222230130300113 |
5 | 10121433142413330403 |
6 | 110544115424431355 |
7 | 4153322065211060 |
oct | 445755254346027 |
9 | 78465326331438 |
10 | 20201021230103 |
11 | 648922893255a |
12 | 232311517855b |
13 | b36c4306437c |
14 | 4dba3dc15567 |
15 | 25071ccd1d38 |
hex | 125f6ab1cc17 |
20201021230103 has 8 divisors (see below), whose sum is σ = 23187697483680. Its totient is φ = 17239548996000.
The previous prime is 20201021230073. The next prime is 20201021230111. The reversal of 20201021230103 is 30103212010202.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 20201021230103 - 216 = 20201021164567 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20201021230163) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6301003148 + ... + 6301006353.
It is an arithmetic number, because the mean of its divisors is an integer number (2898462185460).
Almost surely, 220201021230103 is an apocalyptic number.
20201021230103 is a deficient number, since it is larger than the sum of its proper divisors (2986676253577).
20201021230103 is a wasteful number, since it uses less digits than its factorization.
20201021230103 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12602009737.
The product of its (nonzero) digits is 144, while the sum is 17.
Adding to 20201021230103 its reverse (30103212010202), we get a palindrome (50304233240305).
The spelling of 20201021230103 in words is "twenty trillion, two hundred one billion, twenty-one million, two hundred thirty thousand, one hundred three".
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