Base | Representation |
---|---|
bin | 101101111011110001111110… |
… | …011000111100001111110100 |
3 | 222111021221110020111002220220 |
4 | 231323301332120330033310 |
5 | 202434344333230431400 |
6 | 1553354444421454340 |
7 | 60360322636565142 |
oct | 5573617630741764 |
9 | 874257406432826 |
10 | 202020202202100 |
11 | 5940831753a627 |
12 | 1a7a8a50b713b0 |
13 | 8895567076599 |
14 | 37c5b89592592 |
15 | 18550209297a0 |
hex | b7bc7e63c3f4 |
202020202202100 has 72 divisors (see below), whose sum is σ = 584513360917248. Its totient is φ = 53871908678400.
The previous prime is 202020202202057. The next prime is 202020202202167. The reversal of 202020202202100 is 1202202020202.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a self number, because there is not a number n which added to its sum of digits gives 202020202202100.
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, 155246160 + ... + 156542040.
Almost surely, 2202020202202100 is an apocalyptic number.
202020202202100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
202020202202100 is an abundant number, since it is smaller than the sum of its proper divisors (382493158715148).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
202020202202100 is a wasteful number, since it uses less digits than its factorization.
202020202202100 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1815545 (or 1815538 counting only the distinct ones).
The product of its (nonzero) digits is 128, while the sum is 15.
Adding to 202020202202100 its reverse (1202202020202), we get a palindrome (203222404222302).
The spelling of 202020202202100 in words is "two hundred two trillion, twenty billion, two hundred two million, two hundred two thousand, one hundred".
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