Search a number
-
+
1300550005 = 5260110001
BaseRepresentation
bin100110110000100…
…1101000101110101
310100122012210012201
41031201031011311
510130420100010
6333015144501
744141330656
oct11541150565
93318183181
101300550005
11608143517
12303675131
1317959b421
14c4a2552d
157929d23a
hex4d84d175

1300550005 has 4 divisors (see below), whose sum is σ = 1560660012. Its totient is φ = 1040440000.

The previous prime is 1300550003. The next prime is 1300550029. The reversal of 1300550005 is 5000550031.

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

It can be written as a sum of positive squares in 2 ways, for example, as 162027441 + 1138522564 = 12729^2 + 33742^2 .

It is not a de Polignac number, because 1300550005 - 21 = 1300550003 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 (1300550003) 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, 130054996 + ... + 130055005.

It is an arithmetic number, because the mean of its divisors is an integer number (390165003).

Almost surely, 21300550005 is an apocalyptic number.

It is an amenable number.

1300550005 is a deficient number, since it is larger than the sum of its proper divisors (260110007).

1300550005 is an equidigital number, since it uses as much as digits as its factorization.

1300550005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260110006.

The product of its (nonzero) digits is 375, while the sum is 19.

The square root of 1300550005 is about 36063.1391451160. The cubic root of 1300550005 is about 1091.5467771401.

The spelling of 1300550005 in words is "one billion, three hundred million, five hundred fifty thousand, five".

Divisors: 1 5 260110001 1300550005