Base | Representation |
---|---|
bin | 10010101011001101… |
… | …110111111011110100 |
3 | 1220202111010222101120 |
4 | 102223031313323310 |
5 | 312031404110400 |
6 | 13113440423540 |
7 | 1306626450012 |
oct | 225315677364 |
9 | 56674128346 |
10 | 20052410100 |
11 | 8560076558 |
12 | 3a77617bb0 |
13 | 1b774c8028 |
14 | d832498b2 |
15 | 7c566eca0 |
hex | 4ab377ef4 |
20052410100 has 72 divisors (see below), whose sum is σ = 58086594720. Its totient is φ = 5341015680.
The previous prime is 20052410099. The next prime is 20052410107. The reversal of 20052410100 is 101425002.
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 20052410100.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20052410107) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 218794 + ... + 296606.
It is an arithmetic number, because the mean of its divisors is an integer number (806758260).
Almost surely, 220052410100 is an apocalyptic number.
20052410100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 20052410100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29043297360).
20052410100 is an abundant number, since it is smaller than the sum of its proper divisors (38034184620).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20052410100 is a wasteful number, since it uses less digits than its factorization.
20052410100 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 78689 (or 78682 counting only the distinct ones).
The product of its (nonzero) digits is 80, while the sum is 15.
Adding to 20052410100 its reverse (101425002), we get a palindrome (20153835102).
The spelling of 20052410100 in words is "twenty billion, fifty-two million, four hundred ten thousand, one hundred".
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