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1300561705 = 5665339097
BaseRepresentation
bin100110110000100…
…1111111100101001
310100122020101021001
41031201033330221
510130420433310
6333015315001
744141410042
oct11541177451
93318211231
101300561705
11608151293
1230367ba61
131795a3851
14c4a298c9
15792a193a
hex4d84ff29

1300561705 has 8 divisors (see below), whose sum is σ = 1560948552. Its totient is φ = 1040266368.

The previous prime is 1300561681. The next prime is 1300561709. The reversal of 1300561705 is 5071650031.

It can be written as a sum of positive squares in 4 ways, for example, as 1968409 + 1298593296 = 1403^2 + 36036^2 .

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 1300561705 - 25 = 1300561673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1300561709) 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 7 ways as a sum of consecutive naturals, for example, 13717 + ... + 52813.

It is an arithmetic number, because the mean of its divisors is an integer number (195118569).

Almost surely, 21300561705 is an apocalyptic number.

It is an amenable number.

1300561705 is a deficient number, since it is larger than the sum of its proper divisors (260386847).

1300561705 is an equidigital number, since it uses as much as digits as its factorization.

1300561705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45755.

The product of its (nonzero) digits is 3150, while the sum is 28.

The square root of 1300561705 is about 36063.3013602471. The cubic root of 1300561705 is about 1091.5500503858.

The spelling of 1300561705 in words is "one billion, three hundred million, five hundred sixty-one thousand, seven hundred five".

Divisors: 1 5 6653 33265 39097 195485 260112341 1300561705