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2011101310 = 25201110131
BaseRepresentation
bin111011111011110…
…1111100001111110
312012011020112100201
41313313233201332
513104320220220
6531320514114
7100560036061
oct16767574176
95164215321
102011101310
1194223a1a9
1248161b93a
1326086329a
141511488d8
15bb856d0a
hex77def87e

2011101310 has 8 divisors (see below), whose sum is σ = 3619982376. Its totient is φ = 804440520.

The previous prime is 2011101289. The next prime is 2011101319. The reversal of 2011101310 is 131011102.

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

It is a super-2 number, since 2×20111013102 = 8089056958167432200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10), and also a Moran number because the ratio is a prime number: 201110131 = 2011101310 / (2 + 0 + 1 + 1 + 1 + 0 + 1 + 3 + 1 + 0).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011101319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100555056 + ... + 100555075.

It is an arithmetic number, because the mean of its divisors is an integer number (452497797).

Almost surely, 22011101310 is an apocalyptic number.

2011101310 is a deficient number, since it is larger than the sum of its proper divisors (1608881066).

2011101310 is a wasteful number, since it uses less digits than its factorization.

2011101310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201110138.

The product of its (nonzero) digits is 6, while the sum is 10.

The square root of 2011101310 is about 44845.3042134848. The cubic root of 2011101310 is about 1262.2478790736.

Adding to 2011101310 its reverse (131011102), we get a palindrome (2142112412).

The spelling of 2011101310 in words is "two billion, eleven million, one hundred one thousand, three hundred ten".

Divisors: 1 2 5 10 201110131 402220262 1005550655 2011101310