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1001330111 = 7126935237
BaseRepresentation
bin111011101011110…
…001010110111111
32120210011211200102
4323223301112333
54022320030421
6243205551315
733546110525
oct7353612677
92523154612
101001330111
11474252151
1223b41553b
1312c5b4732
1496db6315
155cd9560b
hex3baf15bf

1001330111 has 8 divisors (see below), whose sum is σ = 1016004384. Its totient is φ = 986671840.

The previous prime is 1001330089. The next prime is 1001330119. The reversal of 1001330111 is 1110331001.

It is a happy number.

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 1001330111 - 222 = 997135807 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1001330092 and 1001330101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001330119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 188585 + ... + 193821.

It is an arithmetic number, because the mean of its divisors is an integer number (127000548).

Almost surely, 21001330111 is an apocalyptic number.

1001330111 is a deficient number, since it is larger than the sum of its proper divisors (14674273).

1001330111 is an equidigital number, since it uses as much as digits as its factorization.

1001330111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8001.

The product of its (nonzero) digits is 9, while the sum is 11.

The square root of 1001330111 is about 31643.8005144768. The cubic root of 1001330111 is about 1000.4431739012.

Adding to 1001330111 its reverse (1110331001), we get a palindrome (2111661112).

The spelling of 1001330111 in words is "one billion, one million, three hundred thirty thousand, one hundred eleven".

Divisors: 1 71 2693 5237 191203 371827 14103241 1001330111