Base | Representation |
---|---|
bin | 11001110110000001… |
… | …11101011001101011 |
3 | 1022210222021111100002 |
4 | 30323000331121223 |
5 | 211404000243011 |
6 | 10212445333215 |
7 | 1000556426444 |
oct | 147300753153 |
9 | 38728244302 |
10 | 13875009131 |
11 | 59800987a5 |
12 | 283286720b |
13 | 1401758399 |
14 | 958a5c2cb |
15 | 563193c3b |
hex | 33b03d66b |
13875009131 has 4 divisors (see below), whose sum is σ = 14030908200. Its totient is φ = 13719110064.
The previous prime is 13875009121. The next prime is 13875009191. The reversal of 13875009131 is 13190057831.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 13875009131 - 26 = 13875009067 is a prime.
It is a super-2 number, since 2×138750091312 (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 (13875009121) 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, 77949401 + ... + 77949578.
It is an arithmetic number, because the mean of its divisors is an integer number (3507727050).
Almost surely, 213875009131 is an apocalyptic number.
13875009131 is a deficient number, since it is larger than the sum of its proper divisors (155899069).
13875009131 is an equidigital number, since it uses as much as digits as its factorization.
13875009131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 155899068.
The product of its (nonzero) digits is 22680, while the sum is 38.
The spelling of 13875009131 in words is "thirteen billion, eight hundred seventy-five million, nine thousand, one hundred thirty-one".
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