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14153831999 = 21529657431
BaseRepresentation
bin11010010111010001…
…00101011000111111
31100112101221011101222
431023220211120333
5212441340110444
610300245423555
71010513405216
oct151350453077
940471834358
1014153831999
11600351851a
1228b010abbb
131447450028
14983abc07d
1557c8bceee
hex34ba2563f

14153831999 has 4 divisors (see below), whose sum is σ = 14154510960. Its totient is φ = 14153153040.

The previous prime is 14153831929. The next prime is 14153832031. The reversal of 14153831999 is 99913835141.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-14153831999 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 14153831999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14153831929) 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, 307187 + ... + 350244.

It is an arithmetic number, because the mean of its divisors is an integer number (3538627740).

Almost surely, 214153831999 is an apocalyptic number.

14153831999 is a deficient number, since it is larger than the sum of its proper divisors (678961).

14153831999 is an equidigital number, since it uses as much as digits as its factorization.

14153831999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 678960.

The product of its digits is 1049760, while the sum is 53.

The spelling of 14153831999 in words is "fourteen billion, one hundred fifty-three million, eight hundred thirty-one thousand, nine hundred ninety-nine".

Divisors: 1 21529 657431 14153831999