Base | Representation |
---|---|
bin | 1111100000001… |
… | …00110010001100 |
3 | 100001200212111011 |
4 | 13300010302030 |
5 | 231242334040 |
6 | 20523135004 |
7 | 3136230112 |
oct | 760046214 |
9 | 301625434 |
10 | 130043020 |
11 | 67451278 |
12 | 37674464 |
13 | 20c32243 |
14 | 133b1ab2 |
15 | b63b3ea |
hex | 7c04c8c |
130043020 has 12 divisors (see below), whose sum is σ = 273090384. Its totient is φ = 52017200.
The previous prime is 130043009. The next prime is 130043027. The reversal of 130043020 is 20340031.
It is a super-2 number, since 2×1300430202 = 33822374101440800, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (130043027) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3251056 + ... + 3251095.
It is an arithmetic number, because the mean of its divisors is an integer number (22757532).
Almost surely, 2130043020 is an apocalyptic number.
130043020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
130043020 is an abundant number, since it is smaller than the sum of its proper divisors (143047364).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130043020 is a wasteful number, since it uses less digits than its factorization.
130043020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6502160 (or 6502158 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 13.
The square root of 130043020 is about 11403.6406467408. The cubic root of 130043020 is about 506.6355753852.
Adding to 130043020 its reverse (20340031), we get a palindrome (150383051).
The spelling of 130043020 in words is "one hundred thirty million, forty-three thousand, twenty".
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