Base | Representation |
---|---|
bin | 11100001110101000… |
… | …000001100000000010 |
3 | 2220020100212211222000 |
4 | 130032220001200002 |
5 | 444033344102002 |
6 | 21531351324430 |
7 | 2122053654525 |
oct | 341650014002 |
9 | 86210784860 |
10 | 30310144002 |
11 | 11944316896 |
12 | 5a5a980716 |
13 | 2b20705168 |
14 | 16776dcbbc |
15 | bc5e8d61c |
hex | 70ea01802 |
30310144002 has 16 divisors (see below), whose sum is σ = 67355875680. Its totient is φ = 10103381316.
The previous prime is 30310143989. The next prime is 30310144009. The reversal of 30310144002 is 20044101303.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is not an unprimeable number, because it can be changed into a prime (30310144009) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 280649428 + ... + 280649535.
It is an arithmetic number, because the mean of its divisors is an integer number (4209742230).
Almost surely, 230310144002 is an apocalyptic number.
30310144002 is an abundant number, since it is smaller than the sum of its proper divisors (37045731678).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30310144002 is a wasteful number, since it uses less digits than its factorization.
30310144002 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 561298974 (or 561298968 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
Adding to 30310144002 its reverse (20044101303), we get a palindrome (50354245305).
The spelling of 30310144002 in words is "thirty billion, three hundred ten million, one hundred forty-four thousand, two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.028 sec. • engine limits •