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13220234230 = 257188860489
BaseRepresentation
bin11000100111111110…
…01100001111110110
31021010100012111000211
430103333030033312
5204033334443410
610023455300034
7645416064640
oct142377141766
937110174024
1013220234230
115674528715
12268b51a61a
131328bc1c08
148d5ad7890
1552595668a
hex313fcc3f6

13220234230 has 16 divisors (see below), whose sum is σ = 27195910560. Its totient is φ = 4532651712.

The previous prime is 13220234221. The next prime is 13220234233. The reversal of 13220234230 is 3243202231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13220234233) 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, 94430175 + ... + 94430314.

It is an arithmetic number, because the mean of its divisors is an integer number (1699744410).

Almost surely, 213220234230 is an apocalyptic number.

13220234230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13220234230 is an abundant number, since it is smaller than the sum of its proper divisors (13975676330).

13220234230 is a wasteful number, since it uses less digits than its factorization.

13220234230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188860503.

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 13220234230 its reverse (3243202231), we get a palindrome (16463436461).

The spelling of 13220234230 in words is "thirteen billion, two hundred twenty million, two hundred thirty-four thousand, two hundred thirty".

Divisors: 1 2 5 7 10 14 35 70 188860489 377720978 944302445 1322023423 1888604890 2644046846 6610117115 13220234230