Base | Representation |
---|---|
bin | 11100010010100101… |
… | …111111010111100101 |
3 | 2220102000011020211222 |
4 | 130102211333113211 |
5 | 444202420013340 |
6 | 21542130310125 |
7 | 2123522600303 |
oct | 342245772745 |
9 | 86360136758 |
10 | 30376719845 |
11 | 1197895924a |
12 | 5a79128345 |
13 | 2b31445254 |
14 | 16824ad273 |
15 | bcbc3e8b5 |
hex | 71297f5e5 |
30376719845 has 4 divisors (see below), whose sum is σ = 36452063820. Its totient is φ = 24301375872.
The previous prime is 30376719817. The next prime is 30376719853. The reversal of 30376719845 is 54891767303.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54891767303 = 67 ⋅819280109.
It can be written as a sum of positive squares in 2 ways, for example, as 20874759361 + 9501960484 = 144481^2 + 97478^2 .
It is a cyclic number.
It is not a de Polignac number, because 30376719845 - 212 = 30376715749 is a prime.
It is a congruent number.
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, 3037671980 + ... + 3037671989.
It is an arithmetic number, because the mean of its divisors is an integer number (9113015955).
Almost surely, 230376719845 is an apocalyptic number.
It is an amenable number.
30376719845 is a deficient number, since it is larger than the sum of its proper divisors (6075343975).
30376719845 is an equidigital number, since it uses as much as digits as its factorization.
30376719845 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6075343974.
The product of its (nonzero) digits is 3810240, while the sum is 53.
The spelling of 30376719845 in words is "thirty billion, three hundred seventy-six million, seven hundred nineteen thousand, eight hundred forty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •