Base | Representation |
---|---|
bin | 1111100101101… |
… | …01011010001101 |
3 | 100010001121212212 |
4 | 13302311122031 |
5 | 231434011402 |
6 | 20550440205 |
7 | 3145332242 |
oct | 762653215 |
9 | 303047785 |
10 | 130766477 |
11 | 678a5876 |
12 | 37963065 |
13 | 2112661a |
14 | 1351d5c9 |
15 | b730952 |
hex | 7cb568d |
130766477 has 4 divisors (see below), whose sum is σ = 136452000. Its totient is φ = 125080956.
The previous prime is 130766459. The next prime is 130766509. The reversal of 130766477 is 774667031.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 774667031 = 19 ⋅40771949.
It is a cyclic number.
It is not a de Polignac number, because 130766477 - 212 = 130762381 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 (130766407) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2842727 + ... + 2842772.
It is an arithmetic number, because the mean of its divisors is an integer number (34113000).
Almost surely, 2130766477 is an apocalyptic number.
It is an amenable number.
130766477 is a deficient number, since it is larger than the sum of its proper divisors (5685523).
130766477 is an equidigital number, since it uses as much as digits as its factorization.
130766477 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5685522.
The product of its (nonzero) digits is 148176, while the sum is 41.
The square root of 130766477 is about 11435.3170922367. The cubic root of 130766477 is about 507.5733457050.
The spelling of 130766477 in words is "one hundred thirty million, seven hundred sixty-six thousand, four hundred seventy-seven".
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