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2211111230 = 25221111123
BaseRepresentation
bin1000001111001010…
…1110000100111110
312201002121002101112
42003302232010332
514012021024410
61003223442022
7105536064266
oct20362560476
95632532345
102211111230
11a35129659
125185b6312
13293121c53
1416d9307a6
15ce1b4105
hex83cae13e

2211111230 has 8 divisors (see below), whose sum is σ = 3980000232. Its totient is φ = 884444488.

The previous prime is 2211111209. The next prime is 2211111289. The reversal of 2211111230 is 321111122.

2211111230 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×22111112302 = 9778025742864225800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110555552 + ... + 110555571.

It is an arithmetic number, because the mean of its divisors is an integer number (497500029).

Almost surely, 22211111230 is an apocalyptic number.

2211111230 is a deficient number, since it is larger than the sum of its proper divisors (1768889002).

2211111230 is a wasteful number, since it uses less digits than its factorization.

2211111230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221111130.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 2211111230 is about 47022.4545297244. The cubic root of 2211111230 is about 1302.7773422917. Note that the first 3 decimals are identical.

Adding to 2211111230 its reverse (321111122), we get a palindrome (2532222352).

The spelling of 2211111230 in words is "two billion, two hundred eleven million, one hundred eleven thousand, two hundred thirty".

Divisors: 1 2 5 10 221111123 442222246 1105555615 2211111230