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130145003 = 196849737
BaseRepresentation
bin1111100000111…
…01101011101011
3100001220001101022
413300131223223
5231304120003
620525243055
73140133332
oct760355353
9301801338
10130145003
116751095a
123770348b
1320c697a1
14133dad19
15b65b738
hex7c1daeb

130145003 has 4 divisors (see below), whose sum is σ = 136994760. Its totient is φ = 123295248.

The previous prime is 130144991. The next prime is 130145009. The reversal of 130145003 is 300541031.

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 130145003 - 26 = 130144939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130145009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3424850 + ... + 3424887.

It is an arithmetic number, because the mean of its divisors is an integer number (34248690).

Almost surely, 2130145003 is an apocalyptic number.

130145003 is a deficient number, since it is larger than the sum of its proper divisors (6849757).

130145003 is an equidigital number, since it uses as much as digits as its factorization.

130145003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6849756.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 130145003 is about 11408.1112810140. Note that the first 3 decimals coincide. The cubic root of 130145003 is about 506.7679795574.

Adding to 130145003 its reverse (300541031), we get a palindrome (430686034).

The spelling of 130145003 in words is "one hundred thirty million, one hundred forty-five thousand, three".

Divisors: 1 19 6849737 130145003