Search a number
-
+
13875123775 = 52555004951
BaseRepresentation
bin11001110110000010…
…11001011000111111
31022210222111022121011
430323001121120333
5211404012430100
610212452020051
71000560414622
oct147301313077
938728438534
1013875123775
115980166947
122832901627
131401798616
14958a8bdb9
155631b7bba
hex33b05963f

13875123775 has 6 divisors (see below), whose sum is σ = 17205153512. Its totient is φ = 11100099000.

The previous prime is 13875123719. The next prime is 13875123791. The reversal of 13875123775 is 57732157831.

It is not a de Polignac number, because 13875123775 - 233 = 5285189183 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 277502451 + ... + 277502500.

Almost surely, 213875123775 is an apocalyptic number.

13875123775 is a deficient number, since it is larger than the sum of its proper divisors (3330029737).

13875123775 is an equidigital number, since it uses as much as digits as its factorization.

13875123775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555004961 (or 555004956 counting only the distinct ones).

The product of its digits is 1234800, while the sum is 49.

The spelling of 13875123775 in words is "thirteen billion, eight hundred seventy-five million, one hundred twenty-three thousand, seven hundred seventy-five".

Divisors: 1 5 25 555004951 2775024755 13875123775