Base | Representation |
---|---|
bin | 1101000000101010… |
… | …01111010010101001 |
3 | 200000210022011002121 |
4 | 12200111033102221 |
5 | 103301112431023 |
6 | 3113034231241 |
7 | 335043403240 |
oct | 64025172251 |
9 | 20023264077 |
10 | 6984889513 |
11 | 2a64873968 |
12 | 142b285521 |
13 | 874145224 |
14 | 4a3945957 |
15 | 2ad331d5d |
hex | 1a054f4a9 |
6984889513 has 8 divisors (see below), whose sum is σ = 8168376128. Its totient is φ = 5847814224.
The previous prime is 6984889507. The next prime is 6984889523. The reversal of 6984889513 is 3159884896.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a de Polignac number, because none of the positive numbers 2k-6984889513 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (6984889523) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11602506 + ... + 11603107.
It is an arithmetic number, because the mean of its divisors is an integer number (1021047016).
Almost surely, 26984889513 is an apocalyptic number.
It is an amenable number.
6984889513 is a deficient number, since it is larger than the sum of its proper divisors (1183486615).
6984889513 is a wasteful number, since it uses less digits than its factorization.
6984889513 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 23205663.
The product of its digits is 14929920, while the sum is 61.
The square root of 6984889513 is about 83575.6514362885. The cubic root of 6984889513 is about 1911.5537472731.
The spelling of 6984889513 in words is "six billion, nine hundred eighty-four million, eight hundred eighty-nine thousand, five hundred thirteen".
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