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1205130652 = 221127389333
BaseRepresentation
bin100011111010100…
…1101010110011100
310002222122222110121
41013311031112130
54432003140102
6315330044324
741602304305
oct10765152634
93088588417
101205130652
115692a0550
122977196a4
1316289c87b
14b60a77ac
1570c00b37
hex47d4d59c

1205130652 has 12 divisors (see below), whose sum is σ = 2300704056. Its totient is φ = 547786640.

The previous prime is 1205130643. The next prime is 1205130677. The reversal of 1205130652 is 2560315021.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 13694623 + ... + 13694710.

It is an arithmetic number, because the mean of its divisors is an integer number (191725338).

Almost surely, 21205130652 is an apocalyptic number.

It is an amenable number.

1205130652 is a deficient number, since it is larger than the sum of its proper divisors (1095573404).

1205130652 is a wasteful number, since it uses less digits than its factorization.

1205130652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27389348 (or 27389346 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 1205130652 is about 34714.9917470824. The cubic root of 1205130652 is about 1064.1708968057.

Adding to 1205130652 its reverse (2560315021), we get a palindrome (3765445673).

The spelling of 1205130652 in words is "one billion, two hundred five million, one hundred thirty thousand, six hundred fifty-two".

Divisors: 1 2 4 11 22 44 27389333 54778666 109557332 301282663 602565326 1205130652