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1300130005 = 51913685579
BaseRepresentation
bin100110101111110…
…0110100011010101
310100121102110002011
41031133212203111
510130313130010
6333002144221
744134631326
oct11537464325
93317373064
101300130005
11607986a09
123034b2071
131794821c5
14c495644d
1579218a8a
hex4d7e68d5

1300130005 has 8 divisors (see below), whose sum is σ = 1642269600. Its totient is φ = 985361616.

The previous prime is 1300130003. The next prime is 1300130009. The reversal of 1300130005 is 5000310031.

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 1300130005 - 21 = 1300130003 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1300130003) 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, 6842695 + ... + 6842884.

It is an arithmetic number, because the mean of its divisors is an integer number (205283700).

Almost surely, 21300130005 is an apocalyptic number.

It is an amenable number.

1300130005 is a deficient number, since it is larger than the sum of its proper divisors (342139595).

1300130005 is a wasteful number, since it uses less digits than its factorization.

1300130005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13685603.

The product of its (nonzero) digits is 45, while the sum is 13.

The square root of 1300130005 is about 36057.3155545445. The cubic root of 1300130005 is about 1091.4292630104.

Adding to 1300130005 its reverse (5000310031), we get a palindrome (6300440036).

The spelling of 1300130005 in words is "one billion, three hundred million, one hundred thirty thousand, five".

Divisors: 1 5 19 95 13685579 68427895 260026001 1300130005