Base | Representation |
---|---|
bin | 111101100100000… |
… | …1111010010100001 |
3 | 12022222002100100022 |
4 | 1323020033102201 |
5 | 13212313213340 |
6 | 540552203225 |
7 | 102122435111 |
oct | 17310172241 |
9 | 5288070308 |
10 | 2065757345 |
11 | 970080083 |
12 | 497999515 |
13 | 26bc8ba32 |
14 | 1584d5041 |
15 | c15513b5 |
hex | 7b20f4a1 |
2065757345 has 8 divisors (see below), whose sum is σ = 2483268840. Its totient is φ = 1649699200.
The previous prime is 2065757341. The next prime is 2065757371. The reversal of 2065757345 is 5437575602.
It can be written as a sum of positive squares in 4 ways, for example, as 60777616 + 2004979729 = 7796^2 + 44777^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2065757345 - 22 = 2065757341 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 2065757296 and 2065757305.
It is not an unprimeable number, because it can be changed into a prime (2065757341) 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, 360206 + ... + 365895.
It is an arithmetic number, because the mean of its divisors is an integer number (310408605).
Almost surely, 22065757345 is an apocalyptic number.
It is an amenable number.
2065757345 is a deficient number, since it is larger than the sum of its proper divisors (417511495).
2065757345 is an equidigital number, since it uses as much as digits as its factorization.
2065757345 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 726675.
The product of its (nonzero) digits is 882000, while the sum is 44.
The square root of 2065757345 is about 45450.6033513308. The cubic root of 2065757345 is about 1273.5806006209.
The spelling of 2065757345 in words is "two billion, sixty-five million, seven hundred fifty-seven thousand, three hundred forty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.074 sec. • engine limits •