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12220230310 = 254432758517
BaseRepresentation
bin10110110000110000…
…11110101010100110
31011112122112000112121
423120120132222212
5200011334332220
65340333540154
7611554146421
oct133030365246
934478460477
1012220230310
1152010019a2
12245064465a
1311c9983012
1483cd889b8
154b7c73eaa
hex2d861eaa6

12220230310 has 16 divisors (see below), whose sum is σ = 22046075856. Its totient is φ = 4877056288.

The previous prime is 12220230293. The next prime is 12220230313. The reversal of 12220230310 is 1303202221.

12220230310 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×122202303102 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12220230313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1374829 + ... + 1383688.

It is an arithmetic number, because the mean of its divisors is an integer number (1377879741).

Almost surely, 212220230310 is an apocalyptic number.

12220230310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12220230310 is a deficient number, since it is larger than the sum of its proper divisors (9825845546).

12220230310 is a wasteful number, since it uses less digits than its factorization.

12220230310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2758967.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 12220230310 its reverse (1303202221), we get a palindrome (13523432531).

The spelling of 12220230310 in words is "twelve billion, two hundred twenty million, two hundred thirty thousand, three hundred ten".

Divisors: 1 2 5 10 443 886 2215 4430 2758517 5517034 13792585 27585170 1222023031 2444046062 6110115155 12220230310