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14067775181 = 16001879181
BaseRepresentation
bin11010001101000000…
…10011011011001101
31100022102000000122102
431012200103123031
5212302322301211
610243533124445
71005420054545
oct150640233315
940272000572
1014067775181
115a6998a789
122887329725
13143267bb35
149764ba325
1557506ea3b
hex3468136cd

14067775181 has 4 divisors (see below), whose sum is σ = 14068670364. Its totient is φ = 14066880000.

The previous prime is 14067775159. The next prime is 14067775193. The reversal of 14067775181 is 18157776041.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11441725156 + 2626050025 = 106966^2 + 51245^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-14067775181 is a prime.

It is a super-2 number, since 2×140677751812 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14067775081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 423590 + ... + 455591.

It is an arithmetic number, because the mean of its divisors is an integer number (3517167591).

Almost surely, 214067775181 is an apocalyptic number.

It is an amenable number.

14067775181 is a deficient number, since it is larger than the sum of its proper divisors (895183).

14067775181 is an equidigital number, since it uses as much as digits as its factorization.

14067775181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 895182.

The product of its (nonzero) digits is 329280, while the sum is 47.

The spelling of 14067775181 in words is "fourteen billion, sixty-seven million, seven hundred seventy-five thousand, one hundred eighty-one".

Divisors: 1 16001 879181 14067775181