Base | Representation |
---|---|
bin | 1111100010101… |
… | …00101011101110 |
3 | 100002022111102010 |
4 | 13301110223232 |
5 | 231333322121 |
6 | 20534142050 |
7 | 3142062204 |
oct | 761245356 |
9 | 302274363 |
10 | 130370286 |
11 | 67655142 |
12 | 377b1926 |
13 | 210181a7 |
14 | 13459074 |
15 | b6a3376 |
hex | 7c54aee |
130370286 has 32 divisors (see below), whose sum is σ = 274982400. Its totient is φ = 41091840.
The previous prime is 130370243. The next prime is 130370287. The reversal of 130370286 is 682073031.
It is a super-2 number, since 2×1303702862 = 33992822943443592, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130370287) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105291 + ... + 106521.
It is an arithmetic number, because the mean of its divisors is an integer number (8593200).
Almost surely, 2130370286 is an apocalyptic number.
130370286 is an abundant number, since it is smaller than the sum of its proper divisors (144612114).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130370286 is a wasteful number, since it uses less digits than its factorization.
130370286 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2184.
The product of its (nonzero) digits is 6048, while the sum is 30.
The square root of 130370286 is about 11417.9808197422. The cubic root of 130370286 is about 507.0602187186.
The spelling of 130370286 in words is "one hundred thirty million, three hundred seventy thousand, two hundred eighty-six".
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