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12236750849 = 101121155949
BaseRepresentation
bin10110110010101111…
…00000000000000001
31011120210121100110102
423121113200000001
5200030102011344
65342124012145
7612144444311
oct133127400001
934523540412
1012236750849
11520a366034
122456091055
13120021879b
14841249441
154b9438e4e
hex2d95e0001

12236750849 has 4 divisors (see below), whose sum is σ = 12357906900. Its totient is φ = 12115594800.

The previous prime is 12236750831. The next prime is 12236750873. The reversal of 12236750849 is 94805763221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11356738624 + 880012225 = 106568^2 + 29665^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12236750849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12236750879) 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, 60577874 + ... + 60578075.

It is an arithmetic number, because the mean of its divisors is an integer number (3089476725).

It is a 2-persistent number, because it is pandigital, and so is 2⋅12236750849 = 24473501698, but 3⋅12236750849 = 36710252547 is not.

It is a Proth number, since it is equal to 93359 ⋅ 217 + 1 and 93359 < 217.

Almost surely, 212236750849 is an apocalyptic number.

It is an amenable number.

12236750849 is a deficient number, since it is larger than the sum of its proper divisors (121156051).

12236750849 is a wasteful number, since it uses less digits than its factorization.

12236750849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121156050.

The product of its (nonzero) digits is 725760, while the sum is 47.

The spelling of 12236750849 in words is "twelve billion, two hundred thirty-six million, seven hundred fifty thousand, eight hundred forty-nine".

Divisors: 1 101 121155949 12236750849