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289269271731 = 31141213798427
BaseRepresentation
bin1000011010110011100…
…10101100110010110011
31000122122200011112212210
410031121302230302303
514214410413143411
6340515524223203
726620235145306
oct4153162546263
91018580145783
10289269271731
11101750a65330
124808b83ab03
132137c93375b
1410001d26b3d
1577d05adca6
hex4359caccb3

289269271731 has 16 divisors (see below), whose sum is σ = 431017630848. Its totient is φ = 171038740800.

The previous prime is 289269271723. The next prime is 289269271741. The reversal of 289269271731 is 137172962982.

It is a happy number.

It is not a de Polignac number, because 289269271731 - 23 = 289269271723 is a prime.

It is a super-2 number, since 2×2892692717312 (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (289269271741) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106897861 + ... + 106900566.

It is an arithmetic number, because the mean of its divisors is an integer number (26938601928).

Almost surely, 2289269271731 is an apocalyptic number.

289269271731 is a deficient number, since it is larger than the sum of its proper divisors (141748359117).

289269271731 is a wasteful number, since it uses less digits than its factorization.

289269271731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213798482.

The product of its digits is 4572288, while the sum is 57.

The spelling of 289269271731 in words is "two hundred eighty-nine billion, two hundred sixty-nine million, two hundred seventy-one thousand, seven hundred thirty-one".

Divisors: 1 3 11 33 41 123 451 1353 213798427 641395281 2351782697 7055348091 8765735507 26297206521 96423090577 289269271731