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14139152767 = 21661652747
BaseRepresentation
bin11010010101100001…
…00101100101111111
31100111101022101021201
431022300211211333
5212424110342032
610255003040331
71010244546505
oct151260454577
940441271251
1014139152767
115aa6201823
1228a72100a7
1314443b06ac
14981b7a675
1557b46d8e7
hex34ac2597f

14139152767 has 4 divisors (see below), whose sum is σ = 14139827176. Its totient is φ = 14138478360.

The previous prime is 14139152761. The next prime is 14139152789. The reversal of 14139152767 is 76725193141.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 76725193141 = 440917401949.

It is a cyclic number.

It is not a de Polignac number, because 14139152767 - 211 = 14139150719 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14139152761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 304713 + ... + 348034.

It is an arithmetic number, because the mean of its divisors is an integer number (3534956794).

Almost surely, 214139152767 is an apocalyptic number.

14139152767 is a deficient number, since it is larger than the sum of its proper divisors (674409).

14139152767 is an equidigital number, since it uses as much as digits as its factorization.

14139152767 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674408.

The product of its digits is 317520, while the sum is 46.

The spelling of 14139152767 in words is "fourteen billion, one hundred thirty-nine million, one hundred fifty-two thousand, seven hundred sixty-seven".

Divisors: 1 21661 652747 14139152767