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12404200210 = 251240420021
BaseRepresentation
bin10111000110101100…
…10001001100010010
31012000110200122210121
423203112101030102
5200400433401320
65410505020454
7616246651003
oct134326211422
935013618717
1012404200210
115295936236
1224a218472a
131228b16b4c
148595971aa
154c8eb38aa
hex2e3591312

12404200210 has 8 divisors (see below), whose sum is σ = 22327560396. Its totient is φ = 4961680080.

The previous prime is 12404200201. The next prime is 12404200213. The reversal of 12404200210 is 1200240421.

It can be written as a sum of positive squares in 2 ways, for example, as 12403499641 + 700569 = 111371^2 + 837^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (12404200213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 620210001 + ... + 620210020.

Almost surely, 212404200210 is an apocalyptic number.

12404200210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12404200210 is a deficient number, since it is larger than the sum of its proper divisors (9923360186).

12404200210 is a wasteful number, since it uses less digits than its factorization.

12404200210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1240420028.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 12404200210 its reverse (1200240421), we get a palindrome (13604440631).

The spelling of 12404200210 in words is "twelve billion, four hundred four million, two hundred thousand, two hundred ten".

Divisors: 1 2 5 10 1240420021 2480840042 6202100105 12404200210