Base | Representation |
---|---|
bin | 1111100001010… |
… | …10100010100100 |
3 | 100001222201121212 |
4 | 13300222202210 |
5 | 231312311133 |
6 | 20530330552 |
7 | 3140443016 |
oct | 760524244 |
9 | 301881555 |
10 | 130197668 |
11 | 67547487 |
12 | 37729a58 |
13 | 20c87753 |
14 | 134121b6 |
15 | b66c148 |
hex | 7c2a8a4 |
130197668 has 24 divisors (see below), whose sum is σ = 234011064. Its totient is φ = 63360000.
The previous prime is 130197653. The next prime is 130197677. The reversal of 130197668 is 866791031.
It can be written as a sum of positive squares in 4 ways, for example, as 18852964 + 111344704 = 4342^2 + 10552^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20918 + ... + 26418.
It is an arithmetic number, because the mean of its divisors is an integer number (9750461).
Almost surely, 2130197668 is an apocalyptic number.
It is an amenable number.
130197668 is a deficient number, since it is larger than the sum of its proper divisors (103813396).
130197668 is a wasteful number, since it uses less digits than its factorization.
130197668 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5663 (or 5661 counting only the distinct ones).
The product of its (nonzero) digits is 54432, while the sum is 41.
The square root of 130197668 is about 11410.4192736288. The cubic root of 130197668 is about 506.8363272614.
The spelling of 130197668 in words is "one hundred thirty million, one hundred ninety-seven thousand, six hundred sixty-eight".
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