Base | Representation |
---|---|
bin | 1111100000001… |
… | …10001100100111 |
3 | 100001201011102111 |
4 | 13300012030213 |
5 | 231243030212 |
6 | 20523221451 |
7 | 3136253020 |
oct | 760061447 |
9 | 301634374 |
10 | 130048807 |
11 | 67455659 |
12 | 37677887 |
13 | 20c34a75 |
14 | 133b3c47 |
15 | b63cea7 |
hex | 7c06327 |
130048807 has 4 divisors (see below), whose sum is σ = 148627216. Its totient is φ = 111470400.
The previous prime is 130048769. The next prime is 130048837. The reversal of 130048807 is 708840031.
It is a happy number.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 708840031 = 2383 ⋅297457.
It is a cyclic number.
It is not a de Polignac number, because 130048807 - 223 = 121660199 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130048837) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9289194 + ... + 9289207.
It is an arithmetic number, because the mean of its divisors is an integer number (37156804).
Almost surely, 2130048807 is an apocalyptic number.
130048807 is a deficient number, since it is larger than the sum of its proper divisors (18578409).
130048807 is an equidigital number, since it uses as much as digits as its factorization.
130048807 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18578408.
The product of its (nonzero) digits is 5376, while the sum is 31.
The square root of 130048807 is about 11403.8943786761. The cubic root of 130048807 is about 506.6430904792.
Adding to 130048807 its reverse (708840031), we get a palindrome (838888838).
The spelling of 130048807 in words is "one hundred thirty million, forty-eight thousand, eight hundred seven".
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