Base | Representation |
---|---|
bin | 10010101001010010… |
… | …100111111111101100 |
3 | 1220200020100111202221 |
4 | 102221102213333230 |
5 | 312000121213400 |
6 | 13110324125124 |
7 | 1306055023456 |
oct | 225122477754 |
9 | 56606314687 |
10 | 20020101100 |
11 | 85439092aa |
12 | 3a688367a4 |
13 | 1b708c508c |
14 | d7cc392d6 |
15 | 7c28dbc1a |
hex | 4a94a7fec |
20020101100 has 36 divisors (see below), whose sum is σ = 43464264984. Its totient is φ = 8004234880.
The previous prime is 20020101097. The next prime is 20020101107. The reversal of 20020101100 is 110102002.
It is not an unprimeable number, because it can be changed into a prime (20020101107) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 168807 + ... + 261793.
It is an arithmetic number, because the mean of its divisors is an integer number (1207340694).
Almost surely, 220020101100 is an apocalyptic number.
20020101100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20020101100 is an abundant number, since it is smaller than the sum of its proper divisors (23444163884).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20020101100 is a wasteful number, since it uses less digits than its factorization.
20020101100 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 95154 (or 95147 counting only the distinct ones).
The product of its (nonzero) digits is 4, while the sum is 7.
Adding to 20020101100 its reverse (110102002), we get a palindrome (20130203102).
The spelling of 20020101100 in words is "twenty billion, twenty million, one hundred one thousand, one hundred".
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