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1032130205 = 5644932009
BaseRepresentation
bin111101100001010…
…000111010011101
32122221010122110122
4331201100322131
54103211131310
6250230044325
734401650651
oct7541207235
92587118418
101032130205
1148a679777
122497a96a5
13135aa9942
149b112a61
156092b555
hex3d850e9d

1032130205 has 8 divisors (see below), whose sum is σ = 1238787000. Its totient is φ = 825550336.

The previous prime is 1032130201. The next prime is 1032130261. The reversal of 1032130205 is 5020312301.

It can be written as a sum of positive squares in 4 ways, for example, as 61371556 + 970758649 = 7834^2 + 31157^2 .

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 1032130205 - 22 = 1032130201 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1032130201) 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, 16241 + ... + 48249.

It is an arithmetic number, because the mean of its divisors is an integer number (154848375).

Almost surely, 21032130205 is an apocalyptic number.

It is an amenable number.

1032130205 is a deficient number, since it is larger than the sum of its proper divisors (206656795).

1032130205 is an equidigital number, since it uses as much as digits as its factorization.

1032130205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38463.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 1032130205 is about 32126.7832968070. The cubic root of 1032130205 is about 1010.5973674273.

Adding to 1032130205 its reverse (5020312301), we get a palindrome (6052442506).

The spelling of 1032130205 in words is "one billion, thirty-two million, one hundred thirty thousand, two hundred five".

Divisors: 1 5 6449 32009 32245 160045 206426041 1032130205