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126286669385 = 5113223516229
BaseRepresentation
bin111010110011101000…
…1011010011001001001
3110001222010122111122022
41311213101122121021
54032113341410020
6134003145334225
712060333656402
oct1654721323111
9401863574568
10126286669385
1149615594958
1220585197375
13bba7794396
1461802589a9
153441d67625
hex1d6745a649

126286669385 has 8 divisors (see below), whose sum is σ = 152885101320. Its totient is φ = 100135270144.

The previous prime is 126286669381. The next prime is 126286669393. The reversal of 126286669385 is 583966682621.

It can be written as a sum of positive squares in 4 ways, for example, as 5327394121 + 120959275264 = 72989^2 + 347792^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 126286669385 - 22 = 126286669381 is a prime.

It is not an unprimeable number, because it can be changed into a prime (126286669381) 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 7 ways as a sum of consecutive naturals, for example, 111757550 + ... + 111758679.

It is an arithmetic number, because the mean of its divisors is an integer number (19110637665).

Almost surely, 2126286669385 is an apocalyptic number.

It is an amenable number.

126286669385 is a deficient number, since it is larger than the sum of its proper divisors (26598431935).

126286669385 is a wasteful number, since it uses less digits than its factorization.

126286669385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223516347.

The product of its digits is 44789760, while the sum is 62.

The spelling of 126286669385 in words is "one hundred twenty-six billion, two hundred eighty-six million, six hundred sixty-nine thousand, three hundred eighty-five".

Divisors: 1 5 113 565 223516229 1117581145 25257333877 126286669385