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230202131112 = 23331065750607
BaseRepresentation
bin1101011001100100011…
…1011100001010101000
3211000012011220220122000
43112121013130022220
512232423221143422
6253430422331000
722426423554252
oct3263107341250
9730164826560
10230202131112
11896a0113338
1238746289a60
1318928536585
14b1db304cd2
155ec4bc8cac
hex35991dc2a8

230202131112 has 32 divisors (see below), whose sum is σ = 639450364800. Its totient is φ = 76734043632.

The previous prime is 230202131083. The next prime is 230202131129. The reversal of 230202131112 is 211131202032.

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 7 ways as a sum of consecutive naturals, for example, 532875088 + ... + 532875519.

It is an arithmetic number, because the mean of its divisors is an integer number (19982823900).

Almost surely, 2230202131112 is an apocalyptic number.

It is an amenable number.

230202131112 is an abundant number, since it is smaller than the sum of its proper divisors (409248233688).

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

230202131112 is a wasteful number, since it uses less digits than its factorization.

230202131112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1065750622 (or 1065750612 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 230202131112 its reverse (211131202032), we get a palindrome (441333333144).

The spelling of 230202131112 in words is "two hundred thirty billion, two hundred two million, one hundred thirty-one thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 9 12 18 24 27 36 54 72 108 216 1065750607 2131501214 3197251821 4263002428 6394503642 8526004856 9591755463 12789007284 19183510926 25578014568 28775266389 38367021852 57550532778 76734043704 115101065556 230202131112