Base | Representation |
---|---|
bin | 101111100011000111… |
… | …1100101011011000100 |
3 | 100202120020101201122211 |
4 | 1133012033211123010 |
5 | 3133110204101040 |
6 | 114524144233204 |
7 | 10243246365202 |
oct | 1370617453304 |
9 | 322506351584 |
10 | 102110222020 |
11 | 3a339616144 |
12 | 1795860b804 |
13 | 9823a69221 |
14 | 4d2940c072 |
15 | 29c96208ea |
hex | 17c63e56c4 |
102110222020 has 24 divisors (see below), whose sum is σ = 219661503768. Its totient is φ = 39847891200.
The previous prime is 102110222017. The next prime is 102110222021. The reversal of 102110222020 is 20222011201.
It is a happy number.
102110222020 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 10423593216 + 91686628804 = 102096^2 + 302798^2 .
It is not an unprimeable number, because it can be changed into a prime (102110222021) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62261511 + ... + 62263150.
It is an arithmetic number, because the mean of its divisors is an integer number (9152562657).
Almost surely, 2102110222020 is an apocalyptic number.
102110222020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
102110222020 is an abundant number, since it is smaller than the sum of its proper divisors (117551281748).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
102110222020 is a wasteful number, since it uses less digits than its factorization.
102110222020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 124524711 (or 124524709 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 13.
Adding to 102110222020 its reverse (20222011201), we get a palindrome (122332233221).
The spelling of 102110222020 in words is "one hundred two billion, one hundred ten million, two hundred twenty-two thousand, twenty".
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