Base | Representation |
---|---|
bin | 11101101010001001101101… |
… | …110111010101000110100100 |
3 | 122002211221102212122012211200 |
4 | 131222021231313111012210 |
5 | 114044112110000003140 |
6 | 1141231150405002500 |
7 | 36321656541044505 |
oct | 3552115567250644 |
9 | 562757385565750 |
10 | 130440000000420 |
11 | 38620325488a10 |
12 | 127681900b3430 |
13 | 57a2592c76016 |
14 | 242d48892cbac |
15 | 101309c979030 |
hex | 76a26ddd51a4 |
130440000000420 has 144 divisors (see below), whose sum is σ = 432693170058240. Its totient is φ = 31544503027200.
The previous prime is 130440000000403. The next prime is 130440000000421. The reversal of 130440000000420 is 24000000044031.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 130440000000393 and 130440000000402.
It is not an unprimeable number, because it can be changed into a prime (130440000000421) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 79726596 + ... + 81346235.
It is an arithmetic number, because the mean of its divisors is an integer number (3004813680960).
Almost surely, 2130440000000420 is an apocalyptic number.
130440000000420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
130440000000420 is an abundant number, since it is smaller than the sum of its proper divisors (302253170057820).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130440000000420 is a wasteful number, since it uses less digits than its factorization.
130440000000420 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 161073266 (or 161073261 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 18.
Adding to 130440000000420 its reverse (24000000044031), we get a palindrome (154440000044451).
The spelling of 130440000000420 in words is "one hundred thirty trillion, four hundred forty billion, four hundred twenty", and thus it is an aban number.
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