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12322042109 = 131289735337
BaseRepresentation
bin10110111100111001…
…10111000011111101
31011210202002121001222
423132130313003331
5200213420321414
65354412043125
7614231426006
oct133634670375
934722077058
1012322042109
115253520683
12247a7634a5
131214aac3a0
1484c6cc1ad
154c1b8568e
hex2de7370fd

12322042109 has 8 divisors (see below), whose sum is σ = 13280204280. Its totient is φ = 11365353216.

The previous prime is 12322042097. The next prime is 12322042111. The reversal of 12322042109 is 90124022321.

It can be written as a sum of positive squares in 4 ways, for example, as 5096532100 + 7225510009 = 71390^2 + 85003^2 .

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 12322042109 - 212 = 12322038013 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12322042709) 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, 350912 + ... + 384425.

It is an arithmetic number, because the mean of its divisors is an integer number (1660025535).

Almost surely, 212322042109 is an apocalyptic number.

It is an amenable number.

12322042109 is a deficient number, since it is larger than the sum of its proper divisors (958162171).

12322042109 is a wasteful number, since it uses less digits than its factorization.

12322042109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 736639.

The product of its (nonzero) digits is 1728, while the sum is 26.

The spelling of 12322042109 in words is "twelve billion, three hundred twenty-two million, forty-two thousand, one hundred nine".

Divisors: 1 13 1289 16757 735337 9559381 947849393 12322042109