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130042663 = 285145613
BaseRepresentation
bin1111100000001…
…00101100100111
3100001200211222221
413300010230213
5231242331123
620523133211
73136226062
oct760045447
9301624887
10130042663
1167450a83
1237674207
1320c3202a
14133b18d9
15b63b25d
hex7c04b27

130042663 has 4 divisors (see below), whose sum is σ = 130091128. Its totient is φ = 129994200.

The previous prime is 130042609. The next prime is 130042681. The reversal of 130042663 is 366240031.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 130042663 - 217 = 129911591 is a prime.

It is a super-2 number, since 2×1300426632 = 33822188400263138, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130042463) 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, 19956 + ... + 25657.

It is an arithmetic number, because the mean of its divisors is an integer number (32522782).

Almost surely, 2130042663 is an apocalyptic number.

130042663 is a deficient number, since it is larger than the sum of its proper divisors (48465).

130042663 is an equidigital number, since it uses as much as digits as its factorization.

130042663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48464.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 130042663 is about 11403.6249938342. The cubic root of 130042663 is about 506.6351117717.

Adding to 130042663 its reverse (366240031), we get a palindrome (496282694).

The spelling of 130042663 in words is "one hundred thirty million, forty-two thousand, six hundred sixty-three".

Divisors: 1 2851 45613 130042663