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1268674409 = 53226710559
BaseRepresentation
bin100101110011110…
…0110111101101001
310021102020100010002
41023213212331221
510044240040114
6325520032345
743303361132
oct11347467551
93242210102
101268674409
115a1151952
122b4a626b5
13172aba822
14c06c8c89
15765a37de
hex4b9e6f69

1268674409 has 8 divisors (see below), whose sum is σ = 1293304320. Its totient is φ = 1244070256.

The previous prime is 1268674313. The next prime is 1268674417. The reversal of 1268674409 is 9044768621.

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 1268674409 - 224 = 1251897193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1268674469) 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, 114872 + ... + 125430.

It is an arithmetic number, because the mean of its divisors is an integer number (161663040).

Almost surely, 21268674409 is an apocalyptic number.

It is an amenable number.

1268674409 is a deficient number, since it is larger than the sum of its proper divisors (24629911).

1268674409 is a wasteful number, since it uses less digits than its factorization.

1268674409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12879.

The product of its (nonzero) digits is 580608, while the sum is 47.

The square root of 1268674409 is about 35618.4560165092. The cubic root of 1268674409 is about 1082.5552234271. Note that the first 3 decimals are identical.

The spelling of 1268674409 in words is "one billion, two hundred sixty-eight million, six hundred seventy-four thousand, four hundred nine".

Divisors: 1 53 2267 10559 120151 559627 23937253 1268674409