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220231001230 = 2553547759653
BaseRepresentation
bin1100110100011011001…
…0100110010010001110
3210001110021111000212021
43031012302212102032
512102013114014410
6245101150400354
721624346423612
oct3150662462216
9701407430767
10220231001230
1185443727929
1236822b000ba
13179c9816a16
14a932d39342
155ade61eeda
hex3346ca648e

220231001230 has 32 divisors (see below), whose sum is σ = 404634261024. Its totient is φ = 86272158336.

The previous prime is 220231001219. The next prime is 220231001233. The reversal of 220231001230 is 32100132022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220231001233) 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, 89917 + ... + 669736.

It is an arithmetic number, because the mean of its divisors is an integer number (12644820657).

Almost surely, 2220231001230 is an apocalyptic number.

220231001230 is a deficient number, since it is larger than the sum of its proper divisors (184403259794).

220231001230 is a wasteful number, since it uses less digits than its factorization.

220231001230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 760260.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 220231001230 its reverse (32100132022), we get a palindrome (252331133252).

The spelling of 220231001230 in words is "two hundred twenty billion, two hundred thirty-one million, one thousand, two hundred thirty".

Divisors: 1 2 5 10 53 106 265 530 547 1094 2735 5470 28991 57982 144955 289910 759653 1519306 3798265 7596530 40261609 80523218 201308045 402616090 415530191 831060382 2077650955 4155301910 22023100123 44046200246 110115500615 220231001230