Base | Representation |
---|---|
bin | 1111100010111… |
… | …01110110000011 |
3 | 100002101101212221 |
4 | 13301131312003 |
5 | 231341022221 |
6 | 20535031511 |
7 | 3142306462 |
oct | 761356603 |
9 | 302341787 |
10 | 130407811 |
11 | 67680356 |
12 | 3780b597 |
13 | 2102c2b1 |
14 | 134689d9 |
15 | b6ae541 |
hex | 7c5dd83 |
130407811 has 8 divisors (see below), whose sum is σ = 138148880. Its totient is φ = 122754528.
The previous prime is 130407787. The next prime is 130407821. The reversal of 130407811 is 118704031.
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 130407811 - 25 = 130407779 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (130407821) 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, 18876 + ... + 24841.
It is an arithmetic number, because the mean of its divisors is an integer number (17268610).
Almost surely, 2130407811 is an apocalyptic number.
130407811 is a deficient number, since it is larger than the sum of its proper divisors (7741069).
130407811 is a wasteful number, since it uses less digits than its factorization.
130407811 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 43893.
The product of its (nonzero) digits is 672, while the sum is 25.
The square root of 130407811 is about 11419.6239430202. The cubic root of 130407811 is about 507.1088637742.
The spelling of 130407811 in words is "one hundred thirty million, four hundred seven thousand, eight hundred eleven".
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