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2389149265 = 52320775211
BaseRepresentation
bin1000111001100111…
…1000011001010001
320011111121100122211
42032121320121101
514343110234030
61033023432121
7113130301516
oct21631703121
96144540584
102389149265
111016681228
12568155641
132c0c89ab9
1418943730d
15deb3112a
hex8e678651

2389149265 has 8 divisors (see below), whose sum is σ = 2991630528. Its totient is φ = 1828218480.

The previous prime is 2389149263. The next prime is 2389149271. The reversal of 2389149265 is 5629419832.

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

It is not a de Polignac number, because 2389149265 - 21 = 2389149263 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2389149263) 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, 10387491 + ... + 10387720.

It is an arithmetic number, because the mean of its divisors is an integer number (373953816).

Almost surely, 22389149265 is an apocalyptic number.

It is an amenable number.

2389149265 is a deficient number, since it is larger than the sum of its proper divisors (602481263).

2389149265 is a wasteful number, since it uses less digits than its factorization.

2389149265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20775239.

The product of its digits is 933120, while the sum is 49.

The square root of 2389149265 is about 48878.9245483163. The cubic root of 2389149265 is about 1336.8451184797.

The spelling of 2389149265 in words is "two billion, three hundred eighty-nine million, one hundred forty-nine thousand, two hundred sixty-five".

Divisors: 1 5 23 115 20775211 103876055 477829853 2389149265