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12412304500 = 225329856021
BaseRepresentation
bin10111000111101010…
…01011110001110100
31012001000221101210111
423203311023301310
5200410022221000
65411354432404
7616405563451
oct134365136164
935030841714
1012412304500
11529a4710a2
1224a4a32704
13122a6c389b
1485a6a6828
154c9a64cba
hex2e3d4bc74

12412304500 has 48 divisors (see below), whose sum is σ = 28043280720. Its totient is φ = 4793712000.

The previous prime is 12412304393. The next prime is 12412304501. The reversal of 12412304500 is 540321421.

It can be written as a sum of positive squares in 8 ways, for example, as 4376616336 + 8035688164 = 66156^2 + 89642^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12412304501) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 413511 + ... + 442510.

It is an arithmetic number, because the mean of its divisors is an integer number (584235015).

Almost surely, 212412304500 is an apocalyptic number.

12412304500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12412304500 is an abundant number, since it is smaller than the sum of its proper divisors (15630976220).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12412304500 is a wasteful number, since it uses less digits than its factorization.

12412304500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 856069 (or 856057 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 12412304500 its reverse (540321421), we get a palindrome (12952625921).

The spelling of 12412304500 in words is "twelve billion, four hundred twelve million, three hundred four thousand, five hundred".

Divisors: 1 2 4 5 10 20 25 29 50 58 100 116 125 145 250 290 500 580 725 1450 2900 3625 7250 14500 856021 1712042 3424084 4280105 8560210 17120420 21400525 24824609 42801050 49649218 85602100 99298436 107002625 124123045 214005250 248246090 428010500 496492180 620615225 1241230450 2482460900 3103076125 6206152250 12412304500