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14163621631 = 23995903969
BaseRepresentation
bin11010011000011011…
…11011011011111111
31100120002100112020221
431030031323123333
5213001341343011
610301235322211
71010662540345
oct151415733377
940502315227
1014163621631
116008aa4625
1228b3450367
131449499c03
14985109995
1557d6a3971
hex34c37b6ff

14163621631 has 4 divisors (see below), whose sum is σ = 14169528000. Its totient is φ = 14157715264.

The previous prime is 14163621629. The next prime is 14163621653. The reversal of 14163621631 is 13612636141.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13612636141 = 131047125857.

It is a cyclic number.

It is not a de Polignac number, because 14163621631 - 21 = 14163621629 is a prime.

It is a super-2 number, since 2×141636216312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14163621601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2949586 + ... + 2954383.

It is an arithmetic number, because the mean of its divisors is an integer number (3542382000).

Almost surely, 214163621631 is an apocalyptic number.

14163621631 is a deficient number, since it is larger than the sum of its proper divisors (5906369).

14163621631 is an equidigital number, since it uses as much as digits as its factorization.

14163621631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5906368.

The product of its digits is 15552, while the sum is 34.

The spelling of 14163621631 in words is "fourteen billion, one hundred sixty-three million, six hundred twenty-one thousand, six hundred thirty-one".

Divisors: 1 2399 5903969 14163621631