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14123551139 = 16386647553
BaseRepresentation
bin11010010011101010…
…00100100110100011
31100110021221201212122
431021311010212203
5212411112114024
610253244414455
71006665126635
oct151165044643
940407851778
1014123551139
115a98416015
1228a1b4742b
1314410aa269
1497da78a55
15579ddad5e
hex349d449a3

14123551139 has 4 divisors (see below), whose sum is σ = 14210198856. Its totient is φ = 14036903424.

The previous prime is 14123551121. The next prime is 14123551151. The reversal of 14123551139 is 93115532141.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93115532141 = 233399637477.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-14123551139 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14123551099 and 14123551108.

It is not an unprimeable number, because it can be changed into a prime (14123554139) 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, 43323614 + ... + 43323939.

It is an arithmetic number, because the mean of its divisors is an integer number (3552549714).

Almost surely, 214123551139 is an apocalyptic number.

14123551139 is a deficient number, since it is larger than the sum of its proper divisors (86647717).

14123551139 is an equidigital number, since it uses as much as digits as its factorization.

14123551139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86647716.

The product of its digits is 16200, while the sum is 35.

The spelling of 14123551139 in words is "fourteen billion, one hundred twenty-three million, five hundred fifty-one thousand, one hundred thirty-nine".

Divisors: 1 163 86647553 14123551139