Base | Representation |
---|---|
bin | 11001101010111010… |
… | …00000110111111001 |
3 | 1022120110200220101122 |
4 | 30311131000313321 |
5 | 211211103400324 |
6 | 10155313355025 |
7 | 665344342433 |
oct | 146535006771 |
9 | 38513626348 |
10 | 13781700089 |
11 | 5932457293 |
12 | 2807568a75 |
13 | 13b8318231 |
14 | 94a4cd653 |
15 | 559db1a5e |
hex | 335740df9 |
13781700089 has 4 divisors (see below), whose sum is σ = 13808051856. Its totient is φ = 13755348324.
The previous prime is 13781700071. The next prime is 13781700137. The reversal of 13781700089 is 98000718731.
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 13781700089 - 220 = 13780651513 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (13781700059) 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, 13175099 + ... + 13176144.
It is an arithmetic number, because the mean of its divisors is an integer number (3452012964).
Almost surely, 213781700089 is an apocalyptic number.
It is an amenable number.
13781700089 is a deficient number, since it is larger than the sum of its proper divisors (26351767).
13781700089 is an equidigital number, since it uses as much as digits as its factorization.
13781700089 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 26351766.
The product of its (nonzero) digits is 84672, while the sum is 44.
The spelling of 13781700089 in words is "thirteen billion, seven hundred eighty-one million, seven hundred thousand, eighty-nine".
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