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1468883681 is a prime number
BaseRepresentation
bin101011110001101…
…0110001011100001
310210100222000121022
41113203112023201
511002013234211
6401431135225
751254206466
oct12743261341
93710860538
101468883681
11694168061
1234bb14515
131a5419155
14dd12366d
1588e4ebdb
hex578d62e1

1468883681 has 2 divisors, whose sum is σ = 1468883682. Its totient is φ = 1468883680.

The previous prime is 1468883639. The next prime is 1468883687. The reversal of 1468883681 is 1863888641.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1078465600 + 390418081 = 32840^2 + 19759^2 .

It is a cyclic number.

It is not a de Polignac number, because 1468883681 - 214 = 1468867297 is a prime.

It is a super-2 number, since 2×14688836812 = 4315238536616219522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1468883687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 734441840 + 734441841.

It is an arithmetic number, because the mean of its divisors is an integer number (734441841).

Almost surely, 21468883681 is an apocalyptic number.

It is an amenable number.

1468883681 is a deficient number, since it is larger than the sum of its proper divisors (1).

1468883681 is an equidigital number, since it uses as much as digits as its factorization.

1468883681 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1769472, while the sum is 53.

The square root of 1468883681 is about 38326.0183295891. The cubic root of 1468883681 is about 1136.7434714553.

The spelling of 1468883681 in words is "one billion, four hundred sixty-eight million, eight hundred eighty-three thousand, six hundred eighty-one".