Base | Representation |
---|---|
bin | 10010110100001010… |
… | …000011010110000000 |
3 | 1221010221101102020120 |
4 | 102310022003112000 |
5 | 312333303400300 |
6 | 13140355340240 |
7 | 1313430410460 |
oct | 226412032600 |
9 | 57127342216 |
10 | 20202403200 |
11 | 86278035a1 |
12 | 3ab98b1680 |
13 | 1b9c5c3a45 |
14 | d99131ba0 |
15 | 7d38ec3a0 |
hex | 4b4283580 |
20202403200 has 192 divisors, whose sum is σ = 76047870720. Its totient is φ = 4617676800.
The previous prime is 20202403183. The next prime is 20202403223. The reversal of 20202403200 is 230420202.
It is a tau number, because it is divible by the number of its divisors (192).
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 20202403200.
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, 83116 + ... + 217515.
It is an arithmetic number, because the mean of its divisors is an integer number (396082660).
Almost surely, 220202403200 is an apocalyptic number.
20202403200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20202403200 is an abundant number, since it is smaller than the sum of its proper divisors (55845467520).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20202403200 is a wasteful number, since it uses less digits than its factorization.
20202403200 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 300665 (or 300648 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 15.
Adding to 20202403200 its reverse (230420202), we get a palindrome (20432823402).
The spelling of 20202403200 in words is "twenty billion, two hundred two million, four hundred three thousand, two hundred".
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