Base | Representation |
---|---|
bin | 11101000011110110… |
… | …000010010111101110 |
3 | 2222112120222010220011 |
4 | 131003312002113232 |
5 | 1002400432310110 |
6 | 22200124443434 |
7 | 2153145131503 |
oct | 350366022756 |
9 | 88476863804 |
10 | 31203010030 |
11 | 122623162a5 |
12 | 60699a957a |
13 | 2c336a165a |
14 | 172011d4aa |
15 | c2955b48a |
hex | 743d825ee |
31203010030 has 32 divisors (see below), whose sum is σ = 58630319424. Its totient is φ = 11933872896.
The previous prime is 31203010021. The next prime is 31203010037. The reversal of 31203010030 is 3001030213.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31203010037) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 594202 + ... + 644578.
It is an arithmetic number, because the mean of its divisors is an integer number (1832197482).
Almost surely, 231203010030 is an apocalyptic number.
31203010030 is a deficient number, since it is larger than the sum of its proper divisors (27427309394).
31203010030 is a wasteful number, since it uses less digits than its factorization.
31203010030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 53100.
The product of its (nonzero) digits is 54, while the sum is 13.
Adding to 31203010030 its reverse (3001030213), we get a palindrome (34204040243).
The spelling of 31203010030 in words is "thirty-one billion, two hundred three million, ten thousand, thirty".
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