Base | Representation |
---|---|
bin | 100110010101… |
… | …1001111011100 |
3 | 1101211012002200 |
4 | 1030223033130 |
5 | 20121200220 |
6 | 1554451500 |
7 | 332563521 |
oct | 114531734 |
9 | 41735080 |
10 | 20100060 |
11 | 10389522 |
12 | 6893b90 |
13 | 4219b36 |
14 | 2953148 |
15 | 1b70890 |
hex | 132b3dc |
20100060 has 36 divisors (see below), whose sum is σ = 60970728. Its totient is φ = 5359968.
The previous prime is 20100053. The next prime is 20100079. The reversal of 20100060 is 6000102.
It is a tau number, because it is divible by the number of its divisors (36).
It is a Harshad number since it is a multiple of its sum of digits (9).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55654 + ... + 56013.
Almost surely, 220100060 is an apocalyptic number.
20100060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20100060 is an abundant number, since it is smaller than the sum of its proper divisors (40870668).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20100060 is a wasteful number, since it uses less digits than its factorization.
20100060 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 111682 (or 111677 counting only the distinct ones).
The product of its (nonzero) digits is 12, while the sum is 9.
The square root of 20100060 is about 4483.3090457830. The cubic root of 20100060 is about 271.8936832186.
Adding to 20100060 its reverse (6000102), we get a palindrome (26100162).
The spelling of 20100060 in words is "twenty million, one hundred thousand, sixty".
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