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1300130002 = 2650065001
BaseRepresentation
bin100110101111110…
…0110100011010010
310100121102110002001
41031133212203102
510130313130002
6333002144214
744134631323
oct11537464322
93317373061
101300130002
11607986a06
123034b206a
131794821c2
14c495644a
1579218a87
hex4d7e68d2

1300130002 has 4 divisors (see below), whose sum is σ = 1950195006. Its totient is φ = 650065000.

The previous prime is 1300129991. The next prime is 1300130003. The reversal of 1300130002 is 2000310031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2000310031 = 3023661697.

It can be written as a sum of positive squares in only one way, i.e., 1014486201 + 285643801 = 31851^2 + 16901^2 .

It is not an unprimeable number, because it can be changed into a prime (1300130003) 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 as a sum of consecutive naturals, namely, 325032499 + ... + 325032502.

Almost surely, 21300130002 is an apocalyptic number.

1300130002 is a deficient number, since it is larger than the sum of its proper divisors (650065004).

1300130002 is an equidigital number, since it uses as much as digits as its factorization.

1300130002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 650065003.

The product of its (nonzero) digits is 18, while the sum is 10.

The square root of 1300130002 is about 36057.3155129441. The cubic root of 1300130002 is about 1091.4292621709.

Adding to 1300130002 its reverse (2000310031), we get a palindrome (3300440033).

The spelling of 1300130002 in words is "one billion, three hundred million, one hundred thirty thousand, two".

Divisors: 1 2 650065001 1300130002