Base | Representation |
---|---|
bin | 1111100000100… |
… | …11101011010101 |
3 | 100001210222011110 |
4 | 13300103223111 |
5 | 231301312041 |
6 | 20524325233 |
7 | 3136603005 |
oct | 760235325 |
9 | 301728143 |
10 | 130104021 |
11 | 67493093 |
12 | 376a3819 |
13 | 20c53c38 |
14 | 133ca005 |
15 | b64e516 |
hex | 7c13ad5 |
130104021 has 8 divisors (see below), whose sum is σ = 175915584. Its totient is φ = 85514240.
The previous prime is 130103999. The next prime is 130104041. The reversal of 130104021 is 120401031.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 130104021 - 25 = 130103989 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 130103988 and 130104006.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130104041) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 305196 + ... + 305621.
It is an arithmetic number, because the mean of its divisors is an integer number (21989448).
Almost surely, 2130104021 is an apocalyptic number.
It is an amenable number.
130104021 is a deficient number, since it is larger than the sum of its proper divisors (45811563).
130104021 is an equidigital number, since it uses as much as digits as its factorization.
130104021 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 610891.
The product of its (nonzero) digits is 24, while the sum is 12.
The square root of 130104021 is about 11406.3149614588. The cubic root of 130104021 is about 506.7147810860.
Adding to 130104021 its reverse (120401031), we get a palindrome (250505052).
The spelling of 130104021 in words is "one hundred thirty million, one hundred four thousand, twenty-one".
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