Base | Representation |
---|---|
bin | 11100100101000001… |
… | …000000001001011010 |
3 | 2221012112201200111202 |
4 | 130211001000021122 |
5 | 1000321030301220 |
6 | 22032530554202 |
7 | 2134264626653 |
oct | 344501001132 |
9 | 87175650452 |
10 | 30685790810 |
11 | 120173688a4 |
12 | 5b44738962 |
13 | 2b8049aa8c |
14 | 16b156452a |
15 | be8e41275 |
hex | 72504025a |
30685790810 has 8 divisors (see below), whose sum is σ = 55234423476. Its totient is φ = 12274316320.
The previous prime is 30685790777. The next prime is 30685790831. The reversal of 30685790810 is 1809758603.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 28868388649 + 1817402161 = 169907^2 + 42631^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×306857908102 (a number of 22 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1534289531 + ... + 1534289550.
Almost surely, 230685790810 is an apocalyptic number.
30685790810 is a deficient number, since it is larger than the sum of its proper divisors (24548632666).
30685790810 is a wasteful number, since it uses less digits than its factorization.
30685790810 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3068579088.
The product of its (nonzero) digits is 362880, while the sum is 47.
The spelling of 30685790810 in words is "thirty billion, six hundred eighty-five million, seven hundred ninety thousand, eight hundred ten".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.083 sec. • engine limits •