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220300012 = 22315333521
BaseRepresentation
bin11010010000110…
…00001011101100
3120100112101210201
431020120023230
5422344100022
633505443244
75313343042
oct1510301354
9510471721
10220300012
11103398729
1261940524
133684414a
1421388392
1514519127
hexd2182ec

220300012 has 24 divisors (see below), whose sum is σ = 405482112. Its totient is φ = 104582400.

The previous prime is 220300001. The next prime is 220300019. The reversal of 220300012 is 210003022.

It is not an unprimeable number, because it can be changed into a prime (220300019) 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, 10189 + ... + 23332.

It is an arithmetic number, because the mean of its divisors is an integer number (16895088).

Almost surely, 2220300012 is an apocalyptic number.

It is an amenable number.

220300012 is a deficient number, since it is larger than the sum of its proper divisors (185182100).

220300012 is a wasteful number, since it uses less digits than its factorization.

220300012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33609 (or 33607 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 220300012 is about 14842.5069311084. The cubic root of 220300012 is about 603.9553605008.

Adding to 220300012 its reverse (210003022), we get a palindrome (430303034).

The spelling of 220300012 in words is "two hundred twenty million, three hundred thousand, twelve".

Divisors: 1 2 4 31 53 62 106 124 212 1643 3286 6572 33521 67042 134084 1039151 1776613 2078302 3553226 4156604 7106452 55075003 110150006 220300012