Base | Representation |
---|---|
bin | 10010111011110001… |
… | …001011010110001001 |
3 | 1221110211200002110120 |
4 | 102323301023112021 |
5 | 313114001200410 |
6 | 13201200333453 |
7 | 1316540666610 |
oct | 227361132611 |
9 | 57424602416 |
10 | 20330100105 |
11 | 86928a2127 |
12 | 3b34614289 |
13 | 1bbcbb4143 |
14 | dac092877 |
15 | 7dec23570 |
hex | 4bbc4b589 |
20330100105 has 32 divisors (see below), whose sum is σ = 38179778304. Its totient is φ = 9042575616.
The previous prime is 20330100101. The next prime is 20330100121. The reversal of 20330100105 is 50100103302.
It is a happy number.
It is not a de Polignac number, because 20330100105 - 22 = 20330100101 is a prime.
It is a super-2 number, since 2×203301001052 (a number of 21 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is not an unprimeable number, because it can be changed into a prime (20330100101) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2612602 + ... + 2620371.
It is an arithmetic number, because the mean of its divisors is an integer number (1193118072).
Almost surely, 220330100105 is an apocalyptic number.
It is an amenable number.
20330100105 is a deficient number, since it is larger than the sum of its proper divisors (17849678199).
20330100105 is a wasteful number, since it uses less digits than its factorization.
20330100105 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5233025.
The product of its (nonzero) digits is 90, while the sum is 15.
Adding to 20330100105 its reverse (50100103302), we get a palindrome (70430203407).
The spelling of 20330100105 in words is "twenty billion, three hundred thirty million, one hundred thousand, one hundred five".
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