Base | Representation |
---|---|
bin | 100111100101101… |
… | …110001111000010 |
3 | 1201021210212021211 |
4 | 213211232033002 |
5 | 2330013401010 |
6 | 145524040334 |
7 | 22313415346 |
oct | 4745561702 |
9 | 1637725254 |
10 | 664200130 |
11 | 310a18430 |
12 | 1665330aa |
13 | a77b6539 |
14 | 642d9626 |
15 | 3d4a008a |
hex | 2796e3c2 |
664200130 has 32 divisors (see below), whose sum is σ = 1314232128. Its totient is φ = 239678400.
The previous prime is 664200109. The next prime is 664200143. The reversal of 664200130 is 31002466.
It is a Harshad number since it is a multiple of its sum of digits (22).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8637 + ... + 37456.
It is an arithmetic number, because the mean of its divisors is an integer number (41069754).
Almost surely, 2664200130 is an apocalyptic number.
664200130 is a deficient number, since it is larger than the sum of its proper divisors (650031998).
664200130 is a wasteful number, since it uses less digits than its factorization.
664200130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 46242.
The product of its (nonzero) digits is 864, while the sum is 22.
The square root of 664200130 is about 25772.0804360067. The cubic root of 664200130 is about 872.5017742019.
Adding to 664200130 its reverse (31002466), we get a palindrome (695202596).
The spelling of 664200130 in words is "six hundred sixty-four million, two hundred thousand, one hundred thirty".
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