Base | Representation |
---|---|
bin | 1111100001100… |
… | …00100000010100 |
3 | 100002000222010202 |
4 | 13300300200110 |
5 | 231314101400 |
6 | 20531040032 |
7 | 3140604161 |
oct | 760604024 |
9 | 302028122 |
10 | 130222100 |
11 | 67563878 |
12 | 37740018 |
13 | 20c958c8 |
14 | 1341b068 |
15 | b6744d5 |
hex | 7c30814 |
130222100 has 18 divisors (see below), whose sum is σ = 282582174. Its totient is φ = 52088800.
The previous prime is 130222097. The next prime is 130222111. The reversal of 130222100 is 1222031.
It is a happy number.
It can be written as a sum of positive squares in 3 ways, for example, as 39363076 + 90859024 = 6274^2 + 9532^2 .
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 651011 + ... + 651210.
Almost surely, 2130222100 is an apocalyptic number.
130222100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
130222100 is an abundant number, since it is smaller than the sum of its proper divisors (152360074).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130222100 is a wasteful number, since it uses less digits than its factorization.
130222100 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1302235 (or 1302228 counting only the distinct ones).
The product of its (nonzero) digits is 24, while the sum is 11.
The square root of 130222100 is about 11411.4898238574. The cubic root of 130222100 is about 506.8680284198.
Adding to 130222100 its reverse (1222031), we get a palindrome (131444131).
The spelling of 130222100 in words is "one hundred thirty million, two hundred twenty-two thousand, one hundred".
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