Base | Representation |
---|---|
bin | 1111100000110… |
… | …10010010101000 |
3 | 100001212100022211 |
4 | 13300122102220 |
5 | 231303143422 |
6 | 20525054504 |
7 | 3140044666 |
oct | 760322250 |
9 | 301770284 |
10 | 130131112 |
11 | 67501481 |
12 | 376b7434 |
13 | 20c63377 |
14 | 133d5c36 |
15 | b657577 |
hex | 7c1a4a8 |
130131112 has 16 divisors (see below), whose sum is σ = 248600340. Its totient is φ = 63837696.
The previous prime is 130131103. The next prime is 130131137. The reversal of 130131112 is 211131031.
It can be written as a sum of positive squares in 2 ways, for example, as 108284836 + 21846276 = 10406^2 + 4674^2 .
It is a junction number, because it is equal to n+sod(n) for n = 130131092 and 130131101.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 153033 + ... + 153880.
Almost surely, 2130131112 is an apocalyptic number.
It is an amenable number.
130131112 is a deficient number, since it is larger than the sum of its proper divisors (118469228).
130131112 is a wasteful number, since it uses less digits than its factorization.
130131112 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 306972 (or 306968 counting only the distinct ones).
The product of its (nonzero) digits is 18, while the sum is 13.
The square root of 130131112 is about 11407.5024435676. The cubic root of 130131112 is about 506.7499489907.
Adding to 130131112 its reverse (211131031), we get a palindrome (341262143).
The spelling of 130131112 in words is "one hundred thirty million, one hundred thirty-one thousand, one hundred twelve".
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