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201111313 = 13151102451
BaseRepresentation
bin10111111110010…
…11011100010001
3112000102111212011
423333023130101
5402441030223
631542302521
74661263234
oct1377133421
9460374764
10201111313
11a35819a7
1257427a41
13328860a0
141c9d141b
15129c880d
hexbfcb711

201111313 has 8 divisors (see below), whose sum is σ = 218017856. Its totient is φ = 184410000.

The previous prime is 201111299. The next prime is 201111329. The reversal of 201111313 is 313111102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 201111313 - 213 = 201103121 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201111293 and 201111302.

It is not an unprimeable number, because it can be changed into a prime (201111013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49263 + ... + 53188.

It is an arithmetic number, because the mean of its divisors is an integer number (27252232).

Almost surely, 2201111313 is an apocalyptic number.

It is an amenable number.

201111313 is a deficient number, since it is larger than the sum of its proper divisors (16906543).

201111313 is a wasteful number, since it uses less digits than its factorization.

201111313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102615.

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 201111313 is about 14181.3720422250. The cubic root of 201111313 is about 585.8847138931.

Adding to 201111313 its reverse (313111102), we get a palindrome (514222415).

The spelling of 201111313 in words is "two hundred one million, one hundred eleven thousand, three hundred thirteen".

Divisors: 1 13 151 1963 102451 1331863 15470101 201111313