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20110130192 = 241256883137
BaseRepresentation
bin10010101110101010…
…000011110000010000
31220220111202110110202
4102232222003300100
5312141143131232
613123301514332
71311230200115
oct225652036020
956814673422
1020110130192
11858a70a509
123a92a129a8
131b86457329
14d8ab9290c
157ca772162
hex4aea83c10

20110130192 has 10 divisors (see below), whose sum is σ = 38963377278. Its totient is φ = 10055065088.

The previous prime is 20110130179. The next prime is 20110130197. The reversal of 20110130192 is 29103101102.

It can be written as a sum of positive squares in only one way, i.e., 12509080336 + 7601049856 = 111844^2 + 87184^2 .

It is not an unprimeable number, because it can be changed into a prime (20110130197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 628441553 + ... + 628441584.

Almost surely, 220110130192 is an apocalyptic number.

It is an amenable number.

20110130192 is a deficient number, since it is larger than the sum of its proper divisors (18853247086).

20110130192 is a wasteful number, since it uses less digits than its factorization.

20110130192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1256883145 (or 1256883139 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 20.

Adding to 20110130192 its reverse (29103101102), we get a palindrome (49213231294).

The spelling of 20110130192 in words is "twenty billion, one hundred ten million, one hundred thirty thousand, one hundred ninety-two".

Divisors: 1 2 4 8 16 1256883137 2513766274 5027532548 10055065096 20110130192