Base | Representation |
---|---|
bin | 1111100001101… |
… | …01101000110010 |
3 | 100002002000222100 |
4 | 13300311220302 |
5 | 231320234442 |
6 | 20531321230 |
7 | 3141022362 |
oct | 760655062 |
9 | 302060870 |
10 | 130243122 |
11 | 67578649 |
12 | 37750216 |
13 | 20ca2349 |
14 | 134249a2 |
15 | b67a84c |
hex | 7c35a32 |
130243122 has 24 divisors (see below), whose sum is σ = 284695164. Its totient is φ = 43029504.
The previous prime is 130243117. The next prime is 130243159. The reversal of 130243122 is 221342031.
It can be written as a sum of positive squares in 2 ways, for example, as 130165281 + 77841 = 11409^2 + 279^2 .
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 = 130243095 and 130243104.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29983 + ... + 34050.
Almost surely, 2130243122 is an apocalyptic number.
130243122 is an abundant number, since it is smaller than the sum of its proper divisors (154452042).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130243122 is a wasteful number, since it uses less digits than its factorization.
130243122 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 64154 (or 64151 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
The square root of 130243122 is about 11412.4108758842. The cubic root of 130243122 is about 506.8953018405.
Adding to 130243122 its reverse (221342031), we get a palindrome (351585153).
The spelling of 130243122 in words is "one hundred thirty million, two hundred forty-three thousand, one hundred twenty-two".
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