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2312312443 = 71738475051
BaseRepresentation
bin1000100111010011…
…0001011001111011
312222011000122100121
42021310301121323
514213422444233
61021240514111
7111205221460
oct21164613173
95864018317
102312312443
11a87270621
1254647b937
132ab09641c
1417d155667
15d800492d
hex89d3167b

2312312443 has 16 divisors (see below), whose sum is σ = 2799373824. Its totient is φ = 1864540800.

The previous prime is 2312312411. The next prime is 2312312459. The reversal of 2312312443 is 3442132132.

It is a cyclic number.

It is not a de Polignac number, because 2312312443 - 25 = 2312312411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2312312473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 455268 + ... + 460318.

It is an arithmetic number, because the mean of its divisors is an integer number (174960864).

Almost surely, 22312312443 is an apocalyptic number.

2312312443 is a deficient number, since it is larger than the sum of its proper divisors (487061381).

2312312443 is a wasteful number, since it uses less digits than its factorization.

2312312443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8922.

The product of its digits is 3456, while the sum is 25.

The square root of 2312312443 is about 48086.5099898090. The cubic root of 2312312443 is about 1322.3573659874.

Adding to 2312312443 its reverse (3442132132), we get a palindrome (5754444575).

The spelling of 2312312443 in words is "two billion, three hundred twelve million, three hundred twelve thousand, four hundred forty-three".

Divisors: 1 7 17 119 3847 5051 26929 35357 65399 85867 457793 601069 19431197 136018379 330330349 2312312443