Base | Representation |
---|---|
bin | 1111100101110… |
… | …10010011001110 |
3 | 100010002122100211 |
4 | 13302322103032 |
5 | 231440132020 |
6 | 20551113034 |
7 | 3145444531 |
oct | 762722316 |
9 | 303078324 |
10 | 130786510 |
11 | 67909928 |
12 | 3797277a |
13 | 2113278a |
14 | 13526a18 |
15 | b73685a |
hex | 7cba4ce |
130786510 has 32 divisors (see below), whose sum is σ = 250309440. Its totient is φ = 49091328.
The previous prime is 130786483. The next prime is 130786511. The reversal of 130786510 is 15687031.
It is a super-2 number, since 2×1307865102 = 34210222395960200, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130786511) 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, 6826 + ... + 17554.
It is an arithmetic number, because the mean of its divisors is an integer number (7822170).
Almost surely, 2130786510 is an apocalyptic number.
130786510 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
130786510 is a deficient number, since it is larger than the sum of its proper divisors (119522930).
130786510 is a wasteful number, since it uses less digits than its factorization.
130786510 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10812.
The product of its (nonzero) digits is 5040, while the sum is 31.
The square root of 130786510 is about 11436.1929854301. The cubic root of 130786510 is about 507.5992639114.
The spelling of 130786510 in words is "one hundred thirty million, seven hundred eighty-six thousand, five hundred ten".
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