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1323012207 = 31140091279
BaseRepresentation
bin100111011011011…
…1001000001101111
310102012110222120010
41032312321001233
510202142342312
6335140424303
744533263306
oct11666710157
93365428503
101323012207
11619895720
1230b0a8093
1318113447a
14c79d143d
157b23893c
hex4edb906f

1323012207 has 8 divisors (see below), whose sum is σ = 1924381440. Its totient is φ = 801825560.

The previous prime is 1323012191. The next prime is 1323012221. The reversal of 1323012207 is 7022103231.

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 1323012207 - 24 = 1323012191 is a prime.

It is a super-2 number, since 2×13230122072 = 3500722599742021698, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323012227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20045607 + ... + 20045672.

It is an arithmetic number, because the mean of its divisors is an integer number (240547680).

Almost surely, 21323012207 is an apocalyptic number.

1323012207 is a deficient number, since it is larger than the sum of its proper divisors (601369233).

1323012207 is a wasteful number, since it uses less digits than its factorization.

1323012207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40091293.

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 1323012207 is about 36373.2347612912. The cubic root of 1323012207 is about 1097.7950893491.

Adding to 1323012207 its reverse (7022103231), we get a palindrome (8345115438).

The spelling of 1323012207 in words is "one billion, three hundred twenty-three million, twelve thousand, two hundred seven".

Divisors: 1 3 11 33 40091279 120273837 441004069 1323012207