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220213113 = 31393591471
BaseRepresentation
bin11010010000000…
…10111101111001
3120100100222121020
431020002331321
5422333304423
633503533053
75312531511
oct1510027571
9510328536
10220213113
1110333940a
12618ba189
1336813723
1421364841
15144ed4e3
hexd202f79

220213113 has 16 divisors (see below), whose sum is σ = 296755200. Its totient is φ = 145247760.

The previous prime is 220213099. The next prime is 220213117. The reversal of 220213113 is 311312022.

220213113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2k-220213113 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 220213092 and 220213101.

It is not an unprimeable number, because it can be changed into a prime (220213117) 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, 148968 + ... + 150438.

It is an arithmetic number, because the mean of its divisors is an integer number (18547200).

Almost surely, 2220213113 is an apocalyptic number.

It is an amenable number.

220213113 is a deficient number, since it is larger than the sum of its proper divisors (76542087).

220213113 is a wasteful number, since it uses less digits than its factorization.

220213113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1972.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 220213113 is about 14839.5792730118. The cubic root of 220213113 is about 603.8759384758.

Adding to 220213113 its reverse (311312022), we get a palindrome (531525135).

The spelling of 220213113 in words is "two hundred twenty million, two hundred thirteen thousand, one hundred thirteen".

Divisors: 1 3 139 359 417 1077 1471 4413 49901 149703 204469 528089 613407 1584267 73404371 220213113