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289135095431 = 7133177308741
BaseRepresentation
bin1000011010100011100…
…10110110111010000111
31000122022022200200121012
410031101302312322013
514214122041023211
6340454332312435
726614015521620
oct4152162667207
91018268620535
10289135095431
11101692250726
124805291271b
132135abb50b0
14ddcc19aa47
1577c3907d8b
hex4351cb6e87

289135095431 has 8 divisors (see below), whose sum is σ = 355858579104. Its totient is φ = 228766229280.

The previous prime is 289135095421. The next prime is 289135095439. The reversal of 289135095431 is 134590531982.

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

It is a cyclic number.

It is not a de Polignac number, because 289135095431 - 230 = 288061353607 is a prime.

It is a super-2 number, since 2×2891350954312 (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 289135095431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (289135095439) 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, 1588654280 + ... + 1588654461.

It is an arithmetic number, because the mean of its divisors is an integer number (44482322388).

Almost surely, 2289135095431 is an apocalyptic number.

289135095431 is a deficient number, since it is larger than the sum of its proper divisors (66723483673).

289135095431 is a wasteful number, since it uses less digits than its factorization.

289135095431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3177308761.

The product of its (nonzero) digits is 1166400, while the sum is 50.

The spelling of 289135095431 in words is "two hundred eighty-nine billion, one hundred thirty-five million, ninety-five thousand, four hundred thirty-one".

Divisors: 1 7 13 91 3177308741 22241161187 41305013633 289135095431