Base | Representation |
---|---|
bin | 11100000100011111… |
… | …000001101001010110 |
3 | 2212210111202022022001 |
4 | 130010133001221112 |
5 | 443211320410032 |
6 | 21502433025514 |
7 | 2114616612301 |
oct | 340437015126 |
9 | 85714668261 |
10 | 30140013142 |
11 | 11867284a78 |
12 | 5a119b529a |
13 | 2ac43a8405 |
14 | 165cc93b38 |
15 | bb60843e7 |
hex | 7047c1a56 |
30140013142 has 32 divisors (see below), whose sum is σ = 49113604800. Its totient is φ = 13828983168.
The previous prime is 30140013107. The next prime is 30140013143. The reversal of 30140013142 is 24131004103.
30140013142 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30140013143) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137484 + ... + 281392.
It is an arithmetic number, because the mean of its divisors is an integer number (1534800150).
Almost surely, 230140013142 is an apocalyptic number.
30140013142 is a deficient number, since it is larger than the sum of its proper divisors (18973591658).
30140013142 is a wasteful number, since it uses less digits than its factorization.
30140013142 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 144120.
The product of its (nonzero) digits is 288, while the sum is 19.
Adding to 30140013142 its reverse (24131004103), we get a palindrome (54271017245).
The spelling of 30140013142 in words is "thirty billion, one hundred forty million, thirteen thousand, one hundred forty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •