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12231311002 = 27618036341
BaseRepresentation
bin10110110010000101…
…01111111010011010
31011120102100222101121
423121002233322122
5200022203423002
65341411235454
7612050266561
oct133102577232
934512328347
1012231311002
11520728aa99
1224542a8b8a
1311cc062741
14840630bd8
154b8c12237
hex2d90afe9a

12231311002 has 8 divisors (see below), whose sum is σ = 18371077812. Its totient is φ = 6107618400.

The previous prime is 12231310951. The next prime is 12231311021. The reversal of 12231311002 is 20011313221.

It can be written as a sum of positive squares in 2 ways, for example, as 8277542361 + 3953768641 = 90981^2 + 62879^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 4016649 + ... + 4019692.

Almost surely, 212231311002 is an apocalyptic number.

12231311002 is a deficient number, since it is larger than the sum of its proper divisors (6139766810).

12231311002 is an equidigital number, since it uses as much as digits as its factorization.

12231311002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8037104.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 12231311002 its reverse (20011313221), we get a palindrome (32242624223).

The spelling of 12231311002 in words is "twelve billion, two hundred thirty-one million, three hundred eleven thousand, two".

Divisors: 1 2 761 1522 8036341 16072682 6115655501 12231311002