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12230313311 = 101163742897
BaseRepresentation
bin10110110001111101…
…11100010101011111
31011120100111021211002
423120332330111133
5200021430011221
65341334020515
7612035643056
oct133076742537
934510437732
1012230313311
115206769457
122453aa773b
1311cbaa35a8
1484045139d
154b8ab680b
hex2d8fbc55f

12230313311 has 8 divisors (see below), whose sum is σ = 12427197744. Its totient is φ = 12034915200.

The previous prime is 12230313253. The next prime is 12230313317. The reversal of 12230313311 is 11331303221.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12230313311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12230313317) 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, 354986 + ... + 387911.

It is an arithmetic number, because the mean of its divisors is an integer number (1553399718).

Almost surely, 212230313311 is an apocalyptic number.

12230313311 is a deficient number, since it is larger than the sum of its proper divisors (196884433).

12230313311 is a wasteful number, since it uses less digits than its factorization.

12230313311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 743161.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 12230313311 its reverse (11331303221), we get a palindrome (23561616532).

The spelling of 12230313311 in words is "twelve billion, two hundred thirty million, three hundred thirteen thousand, three hundred eleven".

Divisors: 1 101 163 16463 742897 75032597 121092211 12230313311