Base | Representation |
---|---|
bin | 1111100010100… |
… | …00000001101000 |
3 | 100002021112020112 |
4 | 13301100001220 |
5 | 231332214313 |
6 | 20533513452 |
7 | 3141652451 |
oct | 761200150 |
9 | 302245215 |
10 | 130351208 |
11 | 67641879 |
12 | 377a2888 |
13 | 2100c5c0 |
14 | 13452128 |
15 | b69c8a8 |
hex | 7c50068 |
130351208 has 16 divisors (see below), whose sum is σ = 263209380. Its totient is φ = 60162048.
The previous prime is 130351181. The next prime is 130351211. The reversal of 130351208 is 802153031.
It can be written as a sum of positive squares in 2 ways, for example, as 128550244 + 1800964 = 11338^2 + 1342^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 626585 + ... + 626792.
Almost surely, 2130351208 is an apocalyptic number.
It is an amenable number.
130351208 is an abundant number, since it is smaller than the sum of its proper divisors (132858172).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130351208 is a wasteful number, since it uses less digits than its factorization.
130351208 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1253396 (or 1253392 counting only the distinct ones).
The product of its (nonzero) digits is 720, while the sum is 23.
The square root of 130351208 is about 11417.1453524951. The cubic root of 130351208 is about 507.0354836171.
The spelling of 130351208 in words is "one hundred thirty million, three hundred fifty-one thousand, two hundred eight".
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