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1320042206 = 2794288729
BaseRepresentation
bin100111010101110…
…0011111011011110
310101222220002111002
41032223203323132
510200412322311
6334553030302
744466113360
oct11653437336
93358802432
101320042206
1161814727a
1230a0b5392
13180634682
14c745ad30
157ad4d93b
hex4eae3ede

1320042206 has 8 divisors (see below), whose sum is σ = 2262929520. Its totient is φ = 565732368.

The previous prime is 1320042203. The next prime is 1320042239. The reversal of 1320042206 is 6022400231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×13200422062 = 3485022851242692872, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320042203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47144351 + ... + 47144378.

It is an arithmetic number, because the mean of its divisors is an integer number (282866190).

Almost surely, 21320042206 is an apocalyptic number.

1320042206 is a deficient number, since it is larger than the sum of its proper divisors (942887314).

1320042206 is an equidigital number, since it uses as much as digits as its factorization.

1320042206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94288738.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1320042206 is about 36332.3850854854. The cubic root of 1320042206 is about 1096.9730018642.

Adding to 1320042206 its reverse (6022400231), we get a palindrome (7342442437).

The spelling of 1320042206 in words is "one billion, three hundred twenty million, forty-two thousand, two hundred six".

Divisors: 1 2 7 14 94288729 188577458 660021103 1320042206