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289029190589 = 1931497560573
BaseRepresentation
bin1000011010010110111…
…10110111001110111101
31000122000221102011110122
410031023132313032331
514213412433044324
6340440030344325
726611261404266
oct4151336671675
91018027364418
10289029190589
11101638496867
124802335b0a5
1321341c849c9
14ddbc0ad96d
1577b9488a5e
hex434b7b73bd

289029190589 has 4 divisors (see below), whose sum is σ = 290526751356. Its totient is φ = 287531629824.

The previous prime is 289029190579. The next prime is 289029190621. The reversal of 289029190589 is 985091920982.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 119847516100 + 169181674489 = 346190^2 + 411317^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-289029190589 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 (289029190529) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 748780094 + ... + 748780479.

It is an arithmetic number, because the mean of its divisors is an integer number (72631687839).

Almost surely, 2289029190589 is an apocalyptic number.

It is an amenable number.

289029190589 is a deficient number, since it is larger than the sum of its proper divisors (1497560767).

289029190589 is a wasteful number, since it uses less digits than its factorization.

289029190589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1497560766.

The product of its (nonzero) digits is 8398080, while the sum is 62.

The spelling of 289029190589 in words is "two hundred eighty-nine billion, twenty-nine million, one hundred ninety thousand, five hundred eighty-nine".

Divisors: 1 193 1497560573 289029190589