Base | Representation |
---|---|
bin | 110010011010010011111… |
… | …0110000100011001110001 |
3 | 220112100112122101122122122 |
4 | 1210310213312010121301 |
5 | 1402003431341434211 |
6 | 22422515240244025 |
7 | 1313364316352141 |
oct | 144644766043161 |
9 | 26470478348578 |
10 | 6928450733681 |
11 | 22313808a6594 |
12 | 93a944170615 |
13 | 3b347222c559 |
14 | 19d4a5974921 |
15 | c03590b16db |
hex | 64d27d84671 |
6928450733681 has 4 divisors (see below), whose sum is σ = 7031860446192. Its totient is φ = 6825041021172.
The previous prime is 6928450733669. The next prime is 6928450733713. The reversal of 6928450733681 is 1863370548296.
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 6928450733681 - 214 = 6928450717297 is a prime.
It is a super-2 number, since 2×69284507336812 (a number of 26 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (6928450733641) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51704856155 + ... + 51704856288.
It is an arithmetic number, because the mean of its divisors is an integer number (1757965111548).
It is a 2-persistent number, because it is pandigital, and so is 2⋅6928450733681 = 13856901467362, but 3⋅6928450733681 = 20785352201043 is not.
Almost surely, 26928450733681 is an apocalyptic number.
It is an amenable number.
6928450733681 is a deficient number, since it is larger than the sum of its proper divisors (103409712511).
6928450733681 is a wasteful number, since it uses less digits than its factorization.
6928450733681 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 103409712510.
The product of its (nonzero) digits is 52254720, while the sum is 62.
The spelling of 6928450733681 in words is "six trillion, nine hundred twenty-eight billion, four hundred fifty million, seven hundred thirty-three thousand, six hundred eighty-one".
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