Base | Representation |
---|---|
bin | 1111100100011… |
… | …11101111001100 |
3 | 100002202210012212 |
4 | 13302033233030 |
5 | 231414042142 |
6 | 20543245552 |
7 | 3144120335 |
oct | 762175714 |
9 | 302683185 |
10 | 130612172 |
11 | 677aa949 |
12 | 378a98b8 |
13 | 210a1312 |
14 | 134bd28c |
15 | b6eed82 |
hex | 7c8fbcc |
130612172 has 24 divisors (see below), whose sum is σ = 237353760. Its totient is φ = 62814080.
The previous prime is 130612159. The next prime is 130612177. The reversal of 130612172 is 271216031.
It is not an unprimeable number, because it can be changed into a prime (130612177) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30593 + ... + 34599.
It is an arithmetic number, because the mean of its divisors is an integer number (9889740).
Almost surely, 2130612172 is an apocalyptic number.
It is an amenable number.
130612172 is a deficient number, since it is larger than the sum of its proper divisors (106741588).
130612172 is a wasteful number, since it uses less digits than its factorization.
130612172 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4321 (or 4319 counting only the distinct ones).
The product of its (nonzero) digits is 504, while the sum is 23.
The square root of 130612172 is about 11428.5682392853. The cubic root of 130612172 is about 507.3736208888.
The spelling of 130612172 in words is "one hundred thirty million, six hundred twelve thousand, one hundred seventy-two".
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