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12211244033 = 15187804059
BaseRepresentation
bin10110101111101100…
…01100110000000001
31011112000121110200112
423113312030300001
5200002034302113
65335413201105
7611414601362
oct132766146001
934460543615
1012211244033
1151a6a2441a
122449630195
1311c7b579b1
1483bac9b69
154b709b5a8
hex2d7d8cc01

12211244033 has 4 divisors (see below), whose sum is σ = 12212063280. Its totient is φ = 12210424788.

The previous prime is 12211244027. The next prime is 12211244039. The reversal of 12211244033 is 33044211221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (12211244027) and next prime (12211244039).

It is a cyclic number.

It is not a de Polignac number, because 12211244033 - 220 = 12210195457 is a prime.

It is a super-2 number, since 2×122112440332 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12211244039) 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, 386843 + ... + 417216.

It is an arithmetic number, because the mean of its divisors is an integer number (3053015820).

Almost surely, 212211244033 is an apocalyptic number.

It is an amenable number.

12211244033 is a deficient number, since it is larger than the sum of its proper divisors (819247).

12211244033 is an equidigital number, since it uses as much as digits as its factorization.

12211244033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 819246.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 12211244033 its reverse (33044211221), we get a palindrome (45255455254).

The spelling of 12211244033 in words is "twelve billion, two hundred eleven million, two hundred forty-four thousand, thirty-three".

Divisors: 1 15187 804059 12211244033