Base | Representation |
---|---|
bin | 10010101110001000… |
… | …011000001111100111 |
3 | 1220212220010220101220 |
4 | 102232020120033213 |
5 | 312131413114343 |
6 | 13122344351423 |
7 | 1311062145513 |
oct | 225610301747 |
9 | 56786126356 |
10 | 20101301223 |
11 | 858572a143 |
12 | 3a8ba75573 |
13 | 1b846857a3 |
14 | d89935143 |
15 | 7c9acb183 |
hex | 4ae2183e7 |
20101301223 has 8 divisors (see below), whose sum is σ = 26814697200. Its totient is φ = 13394386368.
The previous prime is 20101301197. The next prime is 20101301261. The reversal of 20101301223 is 32210310102.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 20101301223 - 26 = 20101301159 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20101301293) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1613038 + ... + 1625451.
It is an arithmetic number, because the mean of its divisors is an integer number (3351837150).
Almost surely, 220101301223 is an apocalyptic number.
20101301223 is a deficient number, since it is larger than the sum of its proper divisors (6713395977).
20101301223 is a wasteful number, since it uses less digits than its factorization.
20101301223 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3240561.
The product of its (nonzero) digits is 72, while the sum is 15.
Adding to 20101301223 its reverse (32210310102), we get a palindrome (52311611325).
The spelling of 20101301223 in words is "twenty billion, one hundred one million, three hundred one thousand, two hundred twenty-three".
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