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14924871809 = 54072760287
BaseRepresentation
bin11011110011001011…
…10111100010000001
31102112010210001011222
431321211313202001
5221031231344214
610504551444425
71035565213541
oct157145674201
942463701158
1014924871809
116369779101
122a86386715
13153b1032c3
14a18269321
155c542438e
hex379977881

14924871809 has 4 divisors (see below), whose sum is σ = 14927637504. Its totient is φ = 14922106116.

The previous prime is 14924871803. The next prime is 14924871847. The reversal of 14924871809 is 90817842941.

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.

It is a cyclic number.

It is not a de Polignac number, because 14924871809 - 28 = 14924871553 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (14924871803) 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, 1374737 + ... + 1385550.

It is an arithmetic number, because the mean of its divisors is an integer number (3731909376).

Almost surely, 214924871809 is an apocalyptic number.

It is an amenable number.

14924871809 is a deficient number, since it is larger than the sum of its proper divisors (2765695).

14924871809 is an equidigital number, since it uses as much as digits as its factorization.

14924871809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2765694.

The product of its (nonzero) digits is 1161216, while the sum is 53.

The spelling of 14924871809 in words is "fourteen billion, nine hundred twenty-four million, eight hundred seventy-one thousand, eight hundred nine".

Divisors: 1 5407 2760287 14924871809