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1300640229 = 32720645083
BaseRepresentation
bin100110110000110…
…0011000111100101
310100122101100222100
41031201203013211
510130430441404
6333021122313
744142155010
oct11541430745
93318340870
101300640229
116081a5289
123036b9399
13179600505
14c4a4a377
15792b9d39
hex4d8631e5

1300640229 has 12 divisors (see below), whose sum is σ = 2147088736. Its totient is φ = 743222952.

The previous prime is 1300640219. The next prime is 1300640323. The reversal of 1300640229 is 9220460031.

1300640229 is a `hidden beast` number, since 13 + 0 + 0 + 640 + 2 + 2 + 9 = 666.

It is not a de Polignac number, because 1300640229 - 24 = 1300640213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1300640219) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10322479 + ... + 10322604.

Almost surely, 21300640229 is an apocalyptic number.

It is an amenable number.

1300640229 is a deficient number, since it is larger than the sum of its proper divisors (846448507).

1300640229 is a wasteful number, since it uses less digits than its factorization.

1300640229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20645096 (or 20645093 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 1300640229 is about 36064.3900405927. The cubic root of 1300640229 is about 1091.5720181122.

It can be divided in two parts, 13006 and 40229, that added together give a palindrome (53235).

The spelling of 1300640229 in words is "one billion, three hundred million, six hundred forty thousand, two hundred twenty-nine".

Divisors: 1 3 7 9 21 63 20645083 61935249 144515581 185805747 433546743 1300640229