Base | Representation |
---|---|
bin | 1100101110001100… |
… | …01011011101101011 |
3 | 122121222202020120001 |
4 | 12113012023131223 |
5 | 102441431243411 |
6 | 3045421243431 |
7 | 331152406066 |
oct | 62706133553 |
9 | 18558666501 |
10 | 6829946731 |
11 | 2995366083 |
12 | 13a7403577 |
13 | 84b0055ca |
14 | 48b1318dd |
15 | 29e927dc1 |
hex | 19718b76b |
6829946731 has 4 divisors (see below), whose sum is σ = 6945708600. Its totient is φ = 6714184864.
The previous prime is 6829946699. The next prime is 6829946749. The reversal of 6829946731 is 1376499286.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1376499286 = 2 ⋅688249643.
It is a cyclic number.
It is not a de Polignac number, because 6829946731 - 25 = 6829946699 is a prime.
It is a super-2 number, since 2×68299467312 = 93296344696595172722, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (6829940731) 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, 57880846 + ... + 57880963.
It is an arithmetic number, because the mean of its divisors is an integer number (1736427150).
Almost surely, 26829946731 is an apocalyptic number.
6829946731 is a deficient number, since it is larger than the sum of its proper divisors (115761869).
6829946731 is a wasteful number, since it uses less digits than its factorization.
6829946731 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 115761868.
The product of its digits is 3919104, while the sum is 55.
The square root of 6829946731 is about 82643.4917643247. The cubic root of 6829946731 is about 1897.3135376762.
It can be divided in two parts, 682994 and 6731, that added together give a triangular number (689725 = T1174).
The spelling of 6829946731 in words is "six billion, eight hundred twenty-nine million, nine hundred forty-six thousand, seven hundred thirty-one".
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