Base | Representation |
---|---|
bin | 1001001011111001110100… |
… | …10101110111000010110100 |
3 | 2122112010021100220101212201 |
4 | 10211330322111313002310 |
5 | 10121430012230031400 |
6 | 110543503125154244 |
7 | 4153263014661622 |
oct | 445747225670264 |
9 | 78463240811781 |
10 | 20200210002100 |
11 | 6488951a22997 |
12 | 2322b2955b984 |
13 | b36b43c7c9bb |
14 | 4db9a41a6512 |
15 | 2506c198d06a |
hex | 125f3a5770b4 |
20200210002100 has 36 divisors (see below), whose sum is σ = 43862216944000. Its totient is φ = 8074966721760.
The previous prime is 20200210002073. The next prime is 20200210002121. The reversal of 20200210002100 is 120001200202.
It is a Harshad number since it is a multiple of its sum of digits (10).
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, 63807300 + ... + 64123099.
Almost surely, 220200210002100 is an apocalyptic number.
20200210002100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20200210002100 is an abundant number, since it is smaller than the sum of its proper divisors (23662006941900).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20200210002100 is a wasteful number, since it uses less digits than its factorization.
20200210002100 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 127931992 (or 127931985 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 10.
Adding to 20200210002100 its reverse (120001200202), we get a palindrome (20320211202302).
The spelling of 20200210002100 in words is "twenty trillion, two hundred billion, two hundred ten million, two thousand, one hundred".
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