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201130130221 = 1911053037331
BaseRepresentation
bin1011101101010001001…
…0100011101100101101
3201020011002211020201021
42323110102203230231
511243403303131341
6232221540414141
720350122620206
oct2732422435455
9636132736637
10201130130221
1178331795819
1232b920a7351
1315c744bc197
149a402245ad
1553727ac9d1
hex2ed44a3b2d

201130130221 has 4 divisors (see below), whose sum is σ = 202183167744. Its totient is φ = 200077092700.

The previous prime is 201130130207. The next prime is 201130130263. The reversal of 201130130221 is 122031031102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 201130130221 - 27 = 201130130093 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201130130195 and 201130130204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201130130021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 526518475 + ... + 526518856.

It is an arithmetic number, because the mean of its divisors is an integer number (50545791936).

Almost surely, 2201130130221 is an apocalyptic number.

It is an amenable number.

201130130221 is a deficient number, since it is larger than the sum of its proper divisors (1053037523).

201130130221 is a wasteful number, since it uses less digits than its factorization.

201130130221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1053037522.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 201130130221 its reverse (122031031102), we get a palindrome (323161161323).

The spelling of 201130130221 in words is "two hundred one billion, one hundred thirty million, one hundred thirty thousand, two hundred twenty-one".

Divisors: 1 191 1053037331 201130130221