Base | Representation |
---|---|
bin | 1100110110100001… |
… | …11111111110100011 |
3 | 122210212100211121102 |
4 | 12123100333332203 |
5 | 103112333022011 |
6 | 3100400345015 |
7 | 332662054406 |
oct | 63320777643 |
9 | 18725324542 |
10 | 6899892131 |
11 | 2a2089a0a0 |
12 | 140691516b |
13 | 85c655312 |
14 | 49653bd3d |
15 | 2a5b4273b |
hex | 19b43ffa3 |
6899892131 has 16 divisors (see below), whose sum is σ = 7577632608. Its totient is φ = 6230649600.
The previous prime is 6899892113. The next prime is 6899892133. The reversal of 6899892131 is 1312989986.
It is a cyclic number.
It is not a de Polignac number, because 6899892131 - 26 = 6899892067 is a prime.
It is a super-2 number, since 2×68998921312 = 95217022838871442322, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (6899892133) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2413655 + ... + 2416511.
It is an arithmetic number, because the mean of its divisors is an integer number (473602038).
Almost surely, 26899892131 is an apocalyptic number.
6899892131 is a deficient number, since it is larger than the sum of its proper divisors (677740477).
6899892131 is a wasteful number, since it uses less digits than its factorization.
6899892131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4262.
The product of its digits is 1679616, while the sum is 56.
The square root of 6899892131 is about 83065.5893315638. The cubic root of 6899892131 is about 1903.7683412035.
The spelling of 6899892131 in words is "six billion, eight hundred ninety-nine million, eight hundred ninety-two thousand, one hundred thirty-one".
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