Base | Representation |
---|---|
bin | 1111100010110… |
… | …11011101110100 |
3 | 100002100220112002 |
4 | 13301123131310 |
5 | 231340214233 |
6 | 20534514432 |
7 | 3142236203 |
oct | 761333564 |
9 | 302326462 |
10 | 130398068 |
11 | 67673aa9 |
12 | 37805a18 |
13 | 21027a28 |
14 | 1346523a |
15 | b6ab6e8 |
hex | 7c5b774 |
130398068 has 6 divisors (see below), whose sum is σ = 228196626. Its totient is φ = 65199032.
The previous prime is 130398067. The next prime is 130398071. The reversal of 130398068 is 860893031.
It can be written as a sum of positive squares in only one way, i.e., 104611984 + 25786084 = 10228^2 + 5078^2 .
It is a super-2 number, since 2×1303980682 = 34007312276265248, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130398061) 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 as a sum of consecutive naturals, namely, 16299755 + ... + 16299762.
It is an arithmetic number, because the mean of its divisors is an integer number (38032771).
Almost surely, 2130398068 is an apocalyptic number.
It is an amenable number.
130398068 is a deficient number, since it is larger than the sum of its proper divisors (97798558).
130398068 is a wasteful number, since it uses less digits than its factorization.
130398068 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 32599521 (or 32599519 counting only the distinct ones).
The product of its (nonzero) digits is 31104, while the sum is 38.
The square root of 130398068 is about 11419.1973448224. The cubic root of 130398068 is about 507.0962344573.
The spelling of 130398068 in words is "one hundred thirty million, three hundred ninety-eight thousand, sixty-eight".
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