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12404202230 = 257177202889
BaseRepresentation
bin10111000110101100…
…10001101011110110
31012000110200202120102
423203112101223312
5200400433432410
65410505034102
7616246656620
oct134326215366
935013622512
1012404202230
115295937802
1224a2185932
131228b17a44
14859597c10
154c8eb42a5
hex2e3591af6

12404202230 has 16 divisors (see below), whose sum is σ = 25517216160. Its totient is φ = 4252869312.

The previous prime is 12404202229. The next prime is 12404202247. The reversal of 12404202230 is 3220240421.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88601375 + ... + 88601514.

It is an arithmetic number, because the mean of its divisors is an integer number (1594826010).

Almost surely, 212404202230 is an apocalyptic number.

12404202230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12404202230 is an abundant number, since it is smaller than the sum of its proper divisors (13113013930).

12404202230 is a wasteful number, since it uses less digits than its factorization.

12404202230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177202903.

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 12404202230 its reverse (3220240421), we get a palindrome (15624442651).

The spelling of 12404202230 in words is "twelve billion, four hundred four million, two hundred two thousand, two hundred thirty".

Divisors: 1 2 5 7 10 14 35 70 177202889 354405778 886014445 1240420223 1772028890 2480840446 6202101115 12404202230