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230211320202 = 232101126628889
BaseRepresentation
bin1101011001100110101…
…0011111100110001010
3211000012211012202200200
43112121222133212022
512232433044221302
6253431351313030
722426564635513
oct3263152374612
9730184182620
10230211320202
11896a531a226
123874937b776
131892a402cc6
14b1dc617a0a
155ec58e181c
hex3599a9f98a

230211320202 has 24 divisors (see below), whose sum is σ = 503729724420. Its totient is φ = 75977332800.

The previous prime is 230211320191. The next prime is 230211320233. The reversal of 230211320202 is 202023112032.

230211320202 is a `hidden beast` number, since 230 + 211 + 3 + 20 + 202 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 229556932641 + 654387561 = 479121^2 + 25581^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 63312627 + ... + 63316262.

Almost surely, 2230211320202 is an apocalyptic number.

230211320202 is an abundant number, since it is smaller than the sum of its proper divisors (273518404218).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

230211320202 is a wasteful number, since it uses less digits than its factorization.

230211320202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126628998 (or 126628995 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 230211320202 its reverse (202023112032), we get a palindrome (432234432234).

The spelling of 230211320202 in words is "two hundred thirty billion, two hundred eleven million, three hundred twenty thousand, two hundred two".

Divisors: 1 2 3 6 9 18 101 202 303 606 909 1818 126628889 253257778 379886667 759773334 1139660001 2279320002 12789517789 25579035578 38368553367 76737106734 115105660101 230211320202