Base | Representation |
---|---|
bin | 101111111110010011… |
… | …0100011100001100100 |
3 | 100211220210110200101200 |
4 | 1133330212203201210 |
5 | 3141442141310340 |
6 | 115154443322500 |
7 | 10304662235523 |
oct | 1377446434144 |
9 | 324823420350 |
10 | 103022213220 |
11 | 3a767398683 |
12 | 17b71b20430 |
13 | 993a9a08a4 |
14 | 4db45aa4ba |
15 | 2a2e71a330 |
hex | 17fc9a3864 |
103022213220 has 72 divisors (see below), whose sum is σ = 312695333496. Its totient is φ = 27455480832.
The previous prime is 103022213197. The next prime is 103022213221. The reversal of 103022213220 is 22312220301.
It can be written as a sum of positive squares in 4 ways, for example, as 26009303076 + 77012910144 = 161274^2 + 277512^2 .
It is a super-3 number, since 3×1030222132203 (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 103022213193 and 103022213202.
It is not an unprimeable number, because it can be changed into a prime (103022213221) 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, 112924 + ... + 467756.
It is an arithmetic number, because the mean of its divisors is an integer number (4342990743).
Almost surely, 2103022213220 is an apocalyptic number.
103022213220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
103022213220 is an abundant number, since it is smaller than the sum of its proper divisors (209673120276).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
103022213220 is a wasteful number, since it uses less digits than its factorization.
103022213220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 356461 (or 356456 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
Adding to 103022213220 its reverse (22312220301), we get a palindrome (125334433521).
The spelling of 103022213220 in words is "one hundred three billion, twenty-two million, two hundred thirteen thousand, two hundred twenty".
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