Base | Representation |
---|---|
bin | 110010001101100001011… |
… | …1110010010001000101001 |
3 | 220102201122202111221002220 |
4 | 1210123002332102020221 |
5 | 1401031211034200424 |
6 | 22402134223144253 |
7 | 1311402634056216 |
oct | 144330276221051 |
9 | 26381582457086 |
10 | 6900988584489 |
11 | 222076916941a |
12 | 93555b145089 |
13 | 3b09b688a12c |
14 | 19c01c5d0b0d |
15 | be79d18d579 |
hex | 646c2f92229 |
6900988584489 has 4 divisors (see below), whose sum is σ = 9201318112656. Its totient is φ = 4600659056324.
The previous prime is 6900988584437. The next prime is 6900988584493. The reversal of 6900988584489 is 9844858890096.
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 6900988584489 - 27 = 6900988584361 is a prime.
It is a super-2 number, since 2×69009885844892 (a number of 26 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (6900988584419) 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, 1150164764079 + ... + 1150164764084.
It is an arithmetic number, because the mean of its divisors is an integer number (2300329528164).
Almost surely, 26900988584489 is an apocalyptic number.
It is an amenable number.
6900988584489 is a deficient number, since it is larger than the sum of its proper divisors (2300329528167).
6900988584489 is a wasteful number, since it uses less digits than its factorization.
6900988584489 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2300329528166.
The product of its (nonzero) digits is 1433272320, while the sum is 78.
The spelling of 6900988584489 in words is "six trillion, nine hundred billion, nine hundred eighty-eight million, five hundred eighty-four thousand, four hundred eighty-nine".
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