Base | Representation |
---|---|
bin | 100000110100000… |
… | …0011110000111100 |
3 | 2211201202121210200 |
4 | 1001220003300330 |
5 | 4223330121340 |
6 | 301130403500 |
7 | 36166342326 |
oct | 10150036074 |
9 | 2751677720 |
10 | 1101020220 |
11 | 515551873 |
12 | 268890590 |
13 | 14714a171 |
14 | a6326616 |
15 | 669d8330 |
hex | 41a03c3c |
1101020220 has 36 divisors (see below), whose sum is σ = 3339761880. Its totient is φ = 293605344.
The previous prime is 1101020213. The next prime is 1101020233. The reversal of 1101020220 is 220201011.
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, 3058210 + ... + 3058569.
Almost surely, 21101020220 is an apocalyptic number.
1101020220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1101020220 is an abundant number, since it is smaller than the sum of its proper divisors (2238741660).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1101020220 is a wasteful number, since it uses less digits than its factorization.
1101020220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6116794 (or 6116789 counting only the distinct ones).
The product of its (nonzero) digits is 8, while the sum is 9.
The square root of 1101020220 is about 33181.6247341808. The cubic root of 1101020220 is about 1032.5991540615.
Adding to 1101020220 its reverse (220201011), we get a palindrome (1321221231).
The spelling of 1101020220 in words is "one billion, one hundred one million, twenty thousand, two hundred twenty".
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