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1200211330 = 25241498013
BaseRepresentation
bin100011110001001…
…1100010110000010
310002122102001102111
41013202130112002
54424223230310
6315032405534
741512425253
oct10742342602
93078361374
101200211330
1156654059a
12295b468aa
13161869726
14b5586b2a
157057d28a
hex4789c582

1200211330 has 16 divisors (see below), whose sum is σ = 2169348984. Its totient is φ = 478091520.

The previous prime is 1200211321. The next prime is 1200211343. The reversal of 1200211330 is 331120021.

It can be written as a sum of positive squares in 4 ways, for example, as 1045681569 + 154529761 = 32337^2 + 12431^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1200211330.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 246597 + ... + 251416.

Almost surely, 21200211330 is an apocalyptic number.

1200211330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1200211330 is a deficient number, since it is larger than the sum of its proper divisors (969137654).

1200211330 is a wasteful number, since it uses less digits than its factorization.

1200211330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498261.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 1200211330 is about 34644.0663029039. The cubic root of 1200211330 is about 1062.7209465309.

Adding to 1200211330 its reverse (331120021), we get a palindrome (1531331351).

It can be divided in two parts, 12002 and 11330, that added together give a palindrome (23332).

The spelling of 1200211330 in words is "one billion, two hundred million, two hundred eleven thousand, three hundred thirty".

Divisors: 1 2 5 10 241 482 1205 2410 498013 996026 2490065 4980130 120021133 240042266 600105665 1200211330