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1268014143 = 311431814937
BaseRepresentation
bin100101110010100…
…0101110000111111
310021100222210101210
41023211011300333
510044102423033
6325453535503
743264641144
oct11345056077
93240883353
101268014143
115a0840880
122b47a4593
13172919136
14c05963cb
15764c2d63
hex4b945c3f

1268014143 has 32 divisors (see below), whose sum is σ = 1898088192. Its totient is φ = 746323200.

The previous prime is 1268014141. The next prime is 1268014159. The reversal of 1268014143 is 3414108621.

It is not a de Polignac number, because 1268014143 - 21 = 1268014141 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1268014143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1268014141) 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 31 ways as a sum of consecutive naturals, for example, 254371 + ... + 259307.

It is an arithmetic number, because the mean of its divisors is an integer number (59315256).

Almost surely, 21268014143 is an apocalyptic number.

1268014143 is a deficient number, since it is larger than the sum of its proper divisors (630074049).

1268014143 is a wasteful number, since it uses less digits than its factorization.

1268014143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5175.

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 1268014143 is about 35609.1862164807. The cubic root of 1268014143 is about 1082.3673899855.

The spelling of 1268014143 in words is "one billion, two hundred sixty-eight million, fourteen thousand, one hundred forty-three".

Divisors: 1 3 11 33 43 129 181 473 543 1419 1991 4937 5973 7783 14811 23349 54307 85613 162921 212291 256839 636873 893597 2335201 2680791 7005603 9829567 29488701 38424671 115274013 422671381 1268014143