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12770267442 = 237879270133
BaseRepresentation
bin10111110010010101…
…01101000100110010
31012221222111210122020
423321022231010302
5202123142024232
65511103052310
7631313324262
oct137112550462
935858453566
1012770267442
115463534a39
1225848a1096
13128690738a
148920477a2
154eb1c2e2c
hex2f92ad132

12770267442 has 16 divisors (see below), whose sum is σ = 25543871040. Its totient is φ = 4256199792.

The previous prime is 12770267413. The next prime is 12770267443. The reversal of 12770267442 is 24476207721.

12770267442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12770267394 and 12770267403.

It is not an unprimeable number, because it can be changed into a prime (12770267443) 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, 87793 + ... + 182340.

It is an arithmetic number, because the mean of its divisors is an integer number (1596491940).

Almost surely, 212770267442 is an apocalyptic number.

12770267442 is an abundant number, since it is smaller than the sum of its proper divisors (12773603598).

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

12770267442 is a wasteful number, since it uses less digits than its factorization.

12770267442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278017.

The product of its (nonzero) digits is 263424, while the sum is 42.

The spelling of 12770267442 in words is "twelve billion, seven hundred seventy million, two hundred sixty-seven thousand, four hundred forty-two".

Divisors: 1 2 3 6 7879 15758 23637 47274 270133 540266 810399 1620798 2128377907 4256755814 6385133721 12770267442