Base | Representation |
---|---|
bin | 1111100001110… |
… | …00110010011110 |
3 | 100002002200200102 |
4 | 13300320302132 |
5 | 231321143110 |
6 | 20531501102 |
7 | 3141105122 |
oct | 760706236 |
9 | 302080612 |
10 | 130256030 |
11 | 67587313 |
12 | 37757792 |
13 | 20ca8198 |
14 | 13429582 |
15 | b67e5a5 |
hex | 7c38c9e |
130256030 has 16 divisors (see below), whose sum is σ = 239914224. Its totient is φ = 50890560.
The previous prime is 130255991. The next prime is 130256041. The reversal of 130256030 is 30652031.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 130255993 and 130256011.
It is a congruent number.
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, 151031 + ... + 151890.
It is an arithmetic number, because the mean of its divisors is an integer number (14994639).
Almost surely, 2130256030 is an apocalyptic number.
130256030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
130256030 is a deficient number, since it is larger than the sum of its proper divisors (109658194).
130256030 is a wasteful number, since it uses less digits than its factorization.
130256030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 302971.
The product of its (nonzero) digits is 540, while the sum is 20.
The square root of 130256030 is about 11412.9763865523. The cubic root of 130256030 is about 506.9120469049.
The spelling of 130256030 in words is "one hundred thirty million, two hundred fifty-six thousand, thirty".
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