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89630180689 = 7219222512
BaseRepresentation
bin101001101111001100…
…0000000010101010001
322120100110222221101211
41103132120000111101
52432030311240224
6105101525500121
76322055652100
oct1233630002521
9276313887354
1089630180689
113501499a3a5
1215454b71641
1385b5319c9a
1444a3b52037
1524e8b7a894
hex14de600551

89630180689 has 27 divisors (see below), whose sum is σ = 110088967401. Its totient is φ = 72750069000.

The previous prime is 89630180677. The next prime is 89630180693. The reversal of 89630180689 is 98608103698.

The square root of 89630180689 is 299383.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 89630180689 - 27 = 89630180561 is a prime.

It is not an unprimeable number, because it can be changed into a prime (89630180659) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 39816814 + ... + 39819064.

It is an arithmetic number, because the mean of its divisors is an integer number (4077369163).

Almost surely, 289630180689 is an apocalyptic number.

89630180689 is the 299383-rd square number.

89630180689 is the 149692-nd centered octagonal number.

It is an amenable number.

89630180689 is a deficient number, since it is larger than the sum of its proper divisors (20458786712).

89630180689 is an frugal number, since it uses more digits than its factorization.

89630180689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4554 (or 2277 counting only the distinct ones).

The product of its (nonzero) digits is 4478976, while the sum is 58.

The spelling of 89630180689 in words is "eighty-nine billion, six hundred thirty million, one hundred eighty thousand, six hundred eighty-nine".

Divisors: 1 7 19 49 133 361 931 2251 2527 15757 17689 42769 110299 299383 812611 2095681 5067001 5688277 35469007 39817939 96273019 248283049 673911133 1829187361 4717377931 12804311527 89630180689