Base | Representation |
---|---|
bin | 11001000101100111… |
… | …01111101100000111 |
3 | 1021202200002121020120 |
4 | 30202303233230013 |
5 | 210041014020121 |
6 | 10104301033023 |
7 | 654525456306 |
oct | 144263575407 |
9 | 37680077216 |
10 | 13468891911 |
11 | 5791924932 |
12 | 273a855773 |
13 | 1368584637 |
14 | 91ab4443d |
15 | 53c6c2bc6 |
hex | 322cefb07 |
13468891911 has 8 divisors (see below), whose sum is σ = 17961612144. Its totient is φ = 8977716480.
The previous prime is 13468891907. The next prime is 13468891951. The reversal of 13468891911 is 11919886431.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 13468891911 - 22 = 13468891907 is a prime.
It is a super-2 number, since 2×134688919112 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13468891951) 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 7 ways as a sum of consecutive naturals, for example, 365700 + ... + 400841.
It is an arithmetic number, because the mean of its divisors is an integer number (2245201518).
Almost surely, 213468891911 is an apocalyptic number.
13468891911 is a deficient number, since it is larger than the sum of its proper divisors (4492720233).
13468891911 is an equidigital number, since it uses as much as digits as its factorization.
13468891911 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 772401.
The product of its digits is 373248, while the sum is 51.
The spelling of 13468891911 in words is "thirteen billion, four hundred sixty-eight million, eight hundred ninety-one thousand, nine hundred eleven".
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