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285343285807 is a prime number
BaseRepresentation
bin1000010011011111100…
…10010000001000101111
31000021112001201210122201
410021233302100020233
514133340340121212
6335030200522331
726421033624226
oct4115762201057
91007461653581
10285343285807
11100016933a68
1247374a803a7
1320ba5457968
14db4c75bcbd
157650aa8b57
hex426fc9022f

285343285807 has 2 divisors, whose sum is σ = 285343285808. Its totient is φ = 285343285806.

The previous prime is 285343285783. The next prime is 285343285889. The reversal of 285343285807 is 708582343582.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-285343285807 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (285343285207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142671642903 + 142671642904.

It is an arithmetic number, because the mean of its divisors is an integer number (142671642904).

Almost surely, 2285343285807 is an apocalyptic number.

285343285807 is a deficient number, since it is larger than the sum of its proper divisors (1).

285343285807 is an equidigital number, since it uses as much as digits as its factorization.

285343285807 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12902400, while the sum is 55.

The spelling of 285343285807 in words is "two hundred eighty-five billion, three hundred forty-three million, two hundred eighty-five thousand, eight hundred seven".