Base | Representation |
---|---|
bin | 111100101111011110… |
… | …1101010000000010100 |
3 | 110110200202002100212211 |
4 | 1321132331222000110 |
5 | 4114121203140040 |
6 | 135531353523204 |
7 | 12265323513601 |
oct | 1713675520024 |
9 | 413622070784 |
10 | 130442240020 |
11 | 50358275654 |
12 | 21344a13504 |
13 | c3ba6b5411 |
14 | 64561076a8 |
15 | 35d6abc8ea |
hex | 1e5ef6a014 |
130442240020 has 96 divisors (see below), whose sum is σ = 292494488832. Its totient is φ = 48754387968.
The previous prime is 130442239973. The next prime is 130442240053. The reversal of 130442240020 is 20042244031.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 130442239973 and 130442240000.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5669059 + ... + 5692021.
It is an arithmetic number, because the mean of its divisors is an integer number (3046817592).
Almost surely, 2130442240020 is an apocalyptic number.
130442240020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 130442240020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146247244416).
130442240020 is an abundant number, since it is smaller than the sum of its proper divisors (162052248812).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130442240020 is a wasteful number, since it uses less digits than its factorization.
130442240020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 23281 (or 23279 counting only the distinct ones).
The product of its (nonzero) digits is 1536, while the sum is 22.
Adding to 130442240020 its reverse (20042244031), we get a palindrome (150484484051).
The spelling of 130442240020 in words is "one hundred thirty billion, four hundred forty-two million, two hundred forty thousand, twenty".
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