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211113310 = 25175323431
BaseRepresentation
bin11001001010101…
…01010101011110
3112201020200000111
430211111111132
5413021111220
632540520234
75142301462
oct1445252536
9481220014
10211113310
11a9193611
125a85007a
1334978825
14200764a2
151380215a
hexc95555e

211113310 has 32 divisors (see below), whose sum is σ = 409966272. Its totient is φ = 77975040.

The previous prime is 211113283. The next prime is 211113311. The reversal of 211113310 is 13311112.

It is a super-2 number, since 2×2111133102 = 89137659318312200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211113311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2706 + ... + 20725.

It is an arithmetic number, because the mean of its divisors is an integer number (12811446).

Almost surely, 2211113310 is an apocalyptic number.

211113310 is a deficient number, since it is larger than the sum of its proper divisors (198852962).

211113310 is a wasteful number, since it uses less digits than its factorization.

211113310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23508.

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

The square root of 211113310 is about 14529.7388138948. The cubic root of 211113310 is about 595.4407298834.

Adding to 211113310 its reverse (13311112), we get a palindrome (224424422).

The spelling of 211113310 in words is "two hundred eleven million, one hundred thirteen thousand, three hundred ten".

Divisors: 1 2 5 10 17 34 53 85 106 170 265 530 901 1802 4505 9010 23431 46862 117155 234310 398327 796654 1241843 1991635 2483686 3983270 6209215 12418430 21111331 42222662 105556655 211113310