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1200068164 = 22173212
BaseRepresentation
bin100011110000111…
…1001011001000100
310002122010210001001
41013201321121010
54424204140124
6315025343044
741511261001
oct10741713104
93078123031
101200068164
11566452a79
12295a97a84
13161819509
14b554a8a8
1570550b44
hex47879644

1200068164 has 9 divisors (see below), whose sum is σ = 2100240541. Its totient is φ = 599999440.

The previous prime is 1200068161. The next prime is 1200068167. The reversal of 1200068164 is 4618600021.

The square root of 1200068164 is 34642.

It is a perfect power (a square), and thus also a powerful number.

It is an interprime number because it is at equal distance from previous prime (1200068161) and next prime (1200068167).

It can be written as a sum of positive squares in only one way, i.e., 333354564 + 866713600 = 18258^2 + 29440^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1200068161) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 60624 + ... + 77944.

Almost surely, 21200068164 is an apocalyptic number.

1200068164 is the 34642-nd square number.

It is an amenable number.

1200068164 is a deficient number, since it is larger than the sum of its proper divisors (900172377).

1200068164 is an frugal number, since it uses more digits than its factorization.

1200068164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34646 (or 17323 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The cubic root of 1200068164 is about 1062.6786896513.

Multiplying 1200068164 by its product of nonzero digits (2304), we get a square (2764957049856 = 16628162).

Adding to 1200068164 its reverse (4618600021), we get a palindrome (5818668185).

The spelling of 1200068164 in words is "one billion, two hundred million, sixty-eight thousand, one hundred sixty-four".

Divisors: 1 2 4 17321 34642 69284 300017041 600034082 1200068164