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1268411089 = 111720293343
BaseRepresentation
bin100101110011010…
…0110101011010001
310021101201221220111
41023212212223101
510044203123324
6325510241321
743301213341
oct11346465321
93241657814
101268411089
115a0a92030
122b4956241
13172a27a0a
14c065ad21
1576550794
hex4b9a6ad1

1268411089 has 16 divisors (see below), whose sum is σ = 1466277120. Its totient is φ = 1084412160.

The previous prime is 1268411083. The next prime is 1268411143. The reversal of 1268411089 is 9801148621.

It is a cyclic number.

It is not a de Polignac number, because 1268411089 - 211 = 1268409041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1268411083) 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, 377752 + ... + 381094.

It is an arithmetic number, because the mean of its divisors is an integer number (91642320).

Almost surely, 21268411089 is an apocalyptic number.

It is an amenable number.

1268411089 is a deficient number, since it is larger than the sum of its proper divisors (197866031).

1268411089 is a wasteful number, since it uses less digits than its factorization.

1268411089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5400.

The product of its (nonzero) digits is 27648, while the sum is 40.

The square root of 1268411089 is about 35614.7594263951. The cubic root of 1268411089 is about 1082.4803215812.

The spelling of 1268411089 in words is "one billion, two hundred sixty-eight million, four hundred eleven thousand, eighty-nine".

Divisors: 1 11 17 187 2029 3343 22319 34493 36773 56831 379423 625141 6782947 74612417 115310099 1268411089