Base | Representation |
---|---|
bin | 111100101100100110… |
… | …0011100101010100000 |
3 | 110110102222222010202022 |
4 | 1321121030130222200 |
5 | 4113421414013430 |
6 | 135514015241012 |
7 | 12263040036401 |
oct | 1713114345240 |
9 | 413388863668 |
10 | 130345454240 |
11 | 5030867a001 |
12 | 21318519168 |
13 | c3a3628921 |
14 | 64473119a8 |
15 | 35cd3504e5 |
hex | 1e5931caa0 |
130345454240 has 24 divisors (see below), whose sum is σ = 307941136020. Its totient is φ = 52138181632.
The previous prime is 130345454221. The next prime is 130345454243. The reversal of 130345454240 is 42454543031.
It can be written as a sum of positive squares in 2 ways, for example, as 123726655504 + 6618798736 = 351748^2 + 81356^2 .
It is a super-3 number, since 3×1303454542403 (a number of 34 digits) contains 333 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 130345454240.
It is not an unprimeable number, because it can be changed into a prime (130345454243) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 407329385 + ... + 407329704.
Almost surely, 2130345454240 is an apocalyptic number.
130345454240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
130345454240 is an abundant number, since it is smaller than the sum of its proper divisors (177595681780).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130345454240 is an equidigital number, since it uses as much as digits as its factorization.
130345454240 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 814659104 (or 814659096 counting only the distinct ones).
The product of its (nonzero) digits is 115200, while the sum is 35.
Adding to 130345454240 its reverse (42454543031), we get a palindrome (172799997271).
The spelling of 130345454240 in words is "one hundred thirty billion, three hundred forty-five million, four hundred fifty-four thousand, two hundred forty".
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