Base | Representation |
---|---|
bin | 1101000000101011… |
… | …00100000100110001 |
3 | 200000210110110212111 |
4 | 12200111210010301 |
5 | 103301123142031 |
6 | 3113040125321 |
7 | 335044206361 |
oct | 64025440461 |
9 | 20023413774 |
10 | 6984974641 |
11 | 2a64921917 |
12 | 142b306841 |
13 | 874174bb8 |
14 | 4a39689a1 |
15 | 2ad34c1b1 |
hex | 1a0564131 |
6984974641 has 8 divisors (see below), whose sum is σ = 7124764968. Its totient is φ = 6846000000.
The previous prime is 6984974611. The next prime is 6984974681. The reversal of 6984974641 is 1464794896.
It can be written as a sum of positive squares in 4 ways, for example, as 942244416 + 6042730225 = 30696^2 + 77735^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 6984974641 - 25 = 6984974609 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (6984974611) 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, 186610 + ... + 220891.
It is an arithmetic number, because the mean of its divisors is an integer number (890595621).
Almost surely, 26984974641 is an apocalyptic number.
6984974641 is a gapful number since it is divisible by the number (61) formed by its first and last digit.
It is an amenable number.
6984974641 is a deficient number, since it is larger than the sum of its proper divisors (139790327).
6984974641 is a wasteful number, since it uses less digits than its factorization.
6984974641 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 407843.
The product of its digits is 10450944, while the sum is 58.
The square root of 6984974641 is about 83576.1607218231. The cubic root of 6984974641 is about 1911.5615128975.
The spelling of 6984974641 in words is "six billion, nine hundred eighty-four million, nine hundred seventy-four thousand, six hundred forty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.026 sec. • engine limits •