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1206312053 = 5936135659
BaseRepresentation
bin100011111100110…
…1101110001110101
310010001220000001012
41013321231301311
54432303441203
6315411242005
741615324522
oct10771556165
93101800035
101206312053
11569a28111
12297ba9305
13162bc451b
14b62d4149
1570d85bd8
hex47e6dc75

1206312053 has 8 divisors (see below), whose sum is σ = 1227314400. Its totient is φ = 1185328368.

The previous prime is 1206312007. The next prime is 1206312097. The reversal of 1206312053 is 3502136021.

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 1206312053 - 212 = 1206307957 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 (1206312253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 210338 + ... + 215996.

It is an arithmetic number, because the mean of its divisors is an integer number (153414300).

Almost surely, 21206312053 is an apocalyptic number.

It is an amenable number.

1206312053 is a deficient number, since it is larger than the sum of its proper divisors (21002347).

1206312053 is an equidigital number, since it uses as much as digits as its factorization.

1206312053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9331.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 1206312053 is about 34732.0032966715. The cubic root of 1206312053 is about 1064.5185221756.

Adding to 1206312053 its reverse (3502136021), we get a palindrome (4708448074).

The spelling of 1206312053 in words is "one billion, two hundred six million, three hundred twelve thousand, fifty-three".

Divisors: 1 59 3613 5659 213167 333881 20445967 1206312053