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14285000381 is a prime number
BaseRepresentation
bin11010100110111001…
…11100111010111101
31100212112202012121012
431103130330322331
5213223430003011
610321253045005
71013665333301
oct152334747275
940775665535
1014285000381
116070568243
122928026765
131468687562
149972a3d01
1558917ca8b
hex35373cebd

14285000381 has 2 divisors, whose sum is σ = 14285000382. Its totient is φ = 14285000380.

The previous prime is 14285000321. The next prime is 14285000407. The reversal of 14285000381 is 18300058241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13997019481 + 287980900 = 118309^2 + 16970^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-14285000381 is a prime.

It is a super-2 number, since 2×142850003812 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14285000311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7142500190 + 7142500191.

It is an arithmetic number, because the mean of its divisors is an integer number (7142500191).

Almost surely, 214285000381 is an apocalyptic number.

It is an amenable number.

14285000381 is a deficient number, since it is larger than the sum of its proper divisors (1).

14285000381 is an equidigital number, since it uses as much as digits as its factorization.

14285000381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7680, while the sum is 32.

The spelling of 14285000381 in words is "fourteen billion, two hundred eighty-five million, three hundred eighty-one", and thus it is an aban number.