Base | Representation |
---|---|
bin | 1111100001000… |
… | …00100011110001 |
3 | 100001220122112200 |
4 | 13300200203301 |
5 | 231310004120 |
6 | 20525413413 |
7 | 3140212563 |
oct | 760404361 |
9 | 301818480 |
10 | 130156785 |
11 | 675197a0 |
12 | 3770a269 |
13 | 20c71c65 |
14 | 13401333 |
15 | b65ee90 |
hex | 7c208f1 |
130156785 has 48 divisors (see below), whose sum is σ = 254629440. Its totient is φ = 60923520.
The previous prime is 130156751. The next prime is 130156801. The reversal of 130156785 is 587651031.
130156785 is a `hidden beast` number, since 13 + 0 + 1 + 567 + 85 = 666.
It is not a de Polignac number, because 130156785 - 26 = 130156721 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9822 + ... + 18888.
It is an arithmetic number, because the mean of its divisors is an integer number (5304780).
Almost surely, 2130156785 is an apocalyptic number.
130156785 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
130156785 is a deficient number, since it is larger than the sum of its proper divisors (124472655).
130156785 is a wasteful number, since it uses less digits than its factorization.
130156785 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9118 (or 9115 counting only the distinct ones).
The product of its (nonzero) digits is 25200, while the sum is 36.
The square root of 130156785 is about 11408.6276562959. The cubic root of 130156785 is about 506.7832716292.
The spelling of 130156785 in words is "one hundred thirty million, one hundred fifty-six thousand, seven hundred eighty-five".
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