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1906666282213 = 71158913420313
BaseRepresentation
bin11011101111101110001…
…010101001110011100101
320202021102211222201202121
4123233232022221303211
5222214323032012323
64015524351305541
7254515652664460
oct33575612516345
96667384881677
101906666282213
11675681456230
1226963681b2b1
1310aa4ab85824
14683d6d1a2d7
15348e413ca5d
hex1bbee2a9ce5

1906666282213 has 16 divisors (see below), whose sum is σ = 2377188383616. Its totient is φ = 1485685232640.

The previous prime is 1906666282181. The next prime is 1906666282219. The reversal of 1906666282213 is 3122826666091.

It is not a de Polignac number, because 1906666282213 - 25 = 1906666282181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1906666282219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4326145 + ... + 4746457.

It is an arithmetic number, because the mean of its divisors is an integer number (148574273976).

Almost surely, 21906666282213 is an apocalyptic number.

It is an amenable number.

1906666282213 is a deficient number, since it is larger than the sum of its proper divisors (470522101403).

1906666282213 is a wasteful number, since it uses less digits than its factorization.

1906666282213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479244.

The product of its (nonzero) digits is 2239488, while the sum is 52.

The spelling of 1906666282213 in words is "one trillion, nine hundred six billion, six hundred sixty-six million, two hundred eighty-two thousand, two hundred thirteen".

Divisors: 1 7 11 77 58913 412391 420313 648043 2942191 4536301 4623443 32364101 24761899769 173333298383 272380897459 1906666282213