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408242112212 = 221171031306241
BaseRepresentation
bin1011111000011010010…
…00000100011011010100
31110000202002120001102002
411330031020010123110
523142034440042322
6511313245134432
741331422461454
oct5741510043324
91400662501362
10408242112212
11148153036290
126715355a418
132c66009180c
1415a8aa91d64
15a9452bac92
hex5f0d2046d4

408242112212 has 24 divisors (see below), whose sum is σ = 779481626112. Its totient is φ = 185538329600.

The previous prime is 408242112209. The next prime is 408242112217. The reversal of 408242112212 is 212211242804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (408242112217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 340589 + ... + 965652.

It is an arithmetic number, because the mean of its divisors is an integer number (32478401088).

Almost surely, 2408242112212 is an apocalyptic number.

It is an amenable number.

408242112212 is a deficient number, since it is larger than the sum of its proper divisors (371239513900).

408242112212 is a wasteful number, since it uses less digits than its factorization.

408242112212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1313359 (or 1313357 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 29.

The spelling of 408242112212 in words is "four hundred eight billion, two hundred forty-two million, one hundred twelve thousand, two hundred twelve".

Divisors: 1 2 4 11 22 44 7103 14206 28412 78133 156266 312532 1306241 2612482 5224964 14368651 28737302 57474604 9278229823 18556459646 37112919292 102060528053 204121056106 408242112212