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14534715817 = 19764985043
BaseRepresentation
bin11011000100101011…
…00010100110101001
31101111221122001210001
431202111202212221
5214231341401232
610402133223001
71023120021526
oct154225424651
941457561701
1014534715817
116189517136
122997791a61
1314a832a57b
149bc50814d
155a10576e7
hex3625629a9

14534715817 has 4 divisors (see below), whose sum is σ = 15299700880. Its totient is φ = 13769730756.

The previous prime is 14534715803. The next prime is 14534715823. The reversal of 14534715817 is 71851743541.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 71851743541 = 292477646329.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-14534715817 is a prime.

It is a super-2 number, since 2×145347158172 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14534715617) 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, 382492503 + ... + 382492540.

It is an arithmetic number, because the mean of its divisors is an integer number (3824925220).

Almost surely, 214534715817 is an apocalyptic number.

It is an amenable number.

14534715817 is a deficient number, since it is larger than the sum of its proper divisors (764985063).

14534715817 is an equidigital number, since it uses as much as digits as its factorization.

14534715817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 764985062.

The product of its digits is 470400, while the sum is 46.

The spelling of 14534715817 in words is "fourteen billion, five hundred thirty-four million, seven hundred fifteen thousand, eight hundred seventeen".

Divisors: 1 19 764985043 14534715817