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12427380424246 = 2311175791136567
BaseRepresentation
bin1011010011010111100110…
…0110000111111000110110
31122000001020111202010210011
42310311321212013320312
53112102233342033441
642233020523450434
72421564033460204
oct264657146077066
948001214663704
1012427380424246
113a614712a5197
121488614686a1a
136c1b87787a98
1430d6ba330074
151683e8497581
hexb4d79987e36

12427380424246 has 16 divisors (see below), whose sum is σ = 18702090051840. Its totient is φ = 6193352715880.

The previous prime is 12427380424243. The next prime is 12427380424321. The reversal of 12427380424246 is 64242408372421.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 12427380424246.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12427380424241) 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, 10365855 + ... + 11502421.

It is an arithmetic number, because the mean of its divisors is an integer number (1168880628240).

Almost surely, 212427380424246 is an apocalyptic number.

12427380424246 is a deficient number, since it is larger than the sum of its proper divisors (6274709627594).

12427380424246 is a wasteful number, since it uses less digits than its factorization.

12427380424246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1154459.

The product of its (nonzero) digits is 4128768, while the sum is 49.

Adding to 12427380424246 its reverse (64242408372421), we get a palindrome (76669788796667).

The spelling of 12427380424246 in words is "twelve trillion, four hundred twenty-seven billion, three hundred eighty million, four hundred twenty-four thousand, two hundred forty-six".

Divisors: 1 2 311 622 17579 35158 1136567 2273134 5467069 10934138 353472337 706944674 19979711293 39959422586 6213690212123 12427380424246