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12775040382 = 2313401340813
BaseRepresentation
bin10111110010111001…
…11010010101111110
31012222022111021212210
423321130322111332
5202130402243012
65511353241250
7631402023456
oct137134722576
935868437783
1012775040382
1154661a4a15
122586403226
1312878b89c0
1489292ad66
154eb81723c
hex2f973a57e

12775040382 has 32 divisors (see below), whose sum is σ = 27523002528. Its totient is φ = 3929705856.

The previous prime is 12775040347. The next prime is 12775040389. The reversal of 12775040382 is 28304057721.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 12775040382.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12775040389) 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, 292608 + ... + 333420.

It is an arithmetic number, because the mean of its divisors is an integer number (860093829).

Almost surely, 212775040382 is an apocalyptic number.

12775040382 is an abundant number, since it is smaller than the sum of its proper divisors (14747962146).

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

12775040382 is a wasteful number, since it uses less digits than its factorization.

12775040382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44844.

The product of its (nonzero) digits is 94080, while the sum is 39.

The spelling of 12775040382 in words is "twelve billion, seven hundred seventy-five million, forty thousand, three hundred eighty-two".

Divisors: 1 2 3 6 13 26 39 78 4013 8026 12039 24078 40813 52169 81626 104338 122439 156507 244878 313014 530569 1061138 1591707 3183414 163782569 327565138 491347707 982695414 2129173397 4258346794 6387520191 12775040382