Base | Representation |
---|---|
bin | 10111001100100111100000… |
… | …010110101000101010110100 |
3 | 111101020012221010000012002201 |
4 | 113030213200112220222310 |
5 | 101333012301241241040 |
6 | 1000552152123314244 |
7 | 30326566203302263 |
oct | 2714474026505264 |
9 | 441205833005081 |
10 | 102022122212020 |
11 | 2a56438030630a |
12 | b5386a237b984 |
13 | 44c084c94bcaa |
14 | 1b29c7b7765da |
15 | bbdc699bba9a |
hex | 5cc9e05a8ab4 |
102022122212020 has 72 divisors (see below), whose sum is σ = 226121193008424. Its totient is φ = 38660138203392.
The previous prime is 102022122212011. The next prime is 102022122212033. The reversal of 102022122212020 is 20212221220201.
It can be written as a sum of positive squares in 4 ways, for example, as 6795010012176 + 95227112199844 = 2606724^2 + 9758438^2 .
It is a Harshad number since it is a multiple of its sum of digits (19).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 381176082 + ... + 381443638.
It is an arithmetic number, because the mean of its divisors is an integer number (3140572125117).
Almost surely, 2102022122212020 is an apocalyptic number.
102022122212020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
102022122212020 is an abundant number, since it is smaller than the sum of its proper divisors (124099070796404).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
102022122212020 is a wasteful number, since it uses less digits than its factorization.
102022122212020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 320417 (or 320396 counting only the distinct ones).
The product of its (nonzero) digits is 256, while the sum is 19.
Adding to 102022122212020 its reverse (20212221220201), we get a palindrome (122234343432221).
The spelling of 102022122212020 in words is "one hundred two trillion, twenty-two billion, one hundred twenty-two million, two hundred twelve thousand, twenty".
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