Base | Representation |
---|---|
bin | 11100000100100110… |
… | …101001111100101110 |
3 | 2212210122111220220101 |
4 | 130010212221330232 |
5 | 443212323410410 |
6 | 21502543541314 |
7 | 2114642612410 |
oct | 340446517456 |
9 | 85718456811 |
10 | 30142013230 |
11 | 1186842073a |
12 | 5a125ba83a |
13 | 2ac49288b4 |
14 | 165d2549b0 |
15 | bb632bd3a |
hex | 7049a9f2e |
30142013230 has 32 divisors (see below), whose sum is σ = 62013288960. Its totient is φ = 10333260960.
The previous prime is 30142013227. The next prime is 30142013233. The reversal of 30142013230 is 3231024103.
It is an interprime number because it is at equal distance from previous prime (30142013227) and next prime (30142013233).
It is a junction number, because it is equal to n+sod(n) for n = 30142013198 and 30142013207.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30142013233) 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, 830565 + ... + 866095.
It is an arithmetic number, because the mean of its divisors is an integer number (1937915280).
Almost surely, 230142013230 is an apocalyptic number.
30142013230 is an abundant number, since it is smaller than the sum of its proper divisors (31871275730).
30142013230 is a wasteful number, since it uses less digits than its factorization.
30142013230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 47664.
The product of its (nonzero) digits is 432, while the sum is 19.
Adding to 30142013230 its reverse (3231024103), we get a palindrome (33373037333).
The spelling of 30142013230 in words is "thirty billion, one hundred forty-two million, thirteen thousand, two hundred thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.065 sec. • engine limits •