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1300606660 = 22565030333
BaseRepresentation
bin100110110000101…
…1010111011000100
310100122022122221001
41031201122323010
510130423403120
6333020303044
744141655103
oct11541327304
93318278831
101300606660
11608182041
123036a1a84
131795bb152
14c4a3c03a
15792aee0a
hex4d85aec4

1300606660 has 12 divisors (see below), whose sum is σ = 2731274028. Its totient is φ = 520242656.

The previous prime is 1300606631. The next prime is 1300606673. The reversal of 1300606660 is 666060031.

It can be written as a sum of positive squares in 2 ways, for example, as 666775684 + 633830976 = 25822^2 + 25176^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32515147 + ... + 32515186.

It is an arithmetic number, because the mean of its divisors is an integer number (227606169).

Almost surely, 21300606660 is an apocalyptic number.

1300606660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1300606660 is an abundant number, since it is smaller than the sum of its proper divisors (1430667368).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1300606660 is a wasteful number, since it uses less digits than its factorization.

1300606660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65030342 (or 65030340 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 1300606660 is about 36063.9246339053. The cubic root of 1300606660 is about 1091.5626270201.

Adding to 1300606660 its reverse (666060031), we get a palindrome (1966666691).

The spelling of 1300606660 in words is "one billion, three hundred million, six hundred six thousand, six hundred sixty".

Divisors: 1 2 4 5 10 20 65030333 130060666 260121332 325151665 650303330 1300606660