Base | Representation |
---|---|
bin | 1101111000100100011100… |
… | …00001100001110100111100 |
3 | 11000002201212121021012111001 |
4 | 12330102032001201310330 |
5 | 13000210002114232330 |
6 | 144533430312540044 |
7 | 6300535616456206 |
oct | 674221601416474 |
9 | 130081777235431 |
10 | 30531010305340 |
11 | 9801146414976 |
12 | 35111456b1624 |
13 | 14060a6059b0c |
14 | 7779ccc89776 |
15 | 37e2ad0a09ca |
hex | 1bc48e061d3c |
30531010305340 has 96 divisors (see below), whose sum is σ = 65224254775680. Its totient is φ = 12002961739776.
The previous prime is 30531010305337. The next prime is 30531010305343. The reversal of 30531010305340 is 4350301013503.
It is an interprime number because it is at equal distance from previous prime (30531010305337) and next prime (30531010305343).
It is a junction number, because it is equal to n+sod(n) for n = 30531010305299 and 30531010305308.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30531010305343) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1786161834 + ... + 1786178926.
It is an arithmetic number, because the mean of its divisors is an integer number (679419320580).
Almost surely, 230531010305340 is an apocalyptic number.
It is an amenable number.
30531010305340 is an abundant number, since it is smaller than the sum of its proper divisors (34693244470340).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30531010305340 is a wasteful number, since it uses less digits than its factorization.
30531010305340 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 23671 (or 23669 counting only the distinct ones).
The product of its (nonzero) digits is 8100, while the sum is 28.
Adding to 30531010305340 its reverse (4350301013503), we get a palindrome (34881311318843).
The spelling of 30531010305340 in words is "thirty trillion, five hundred thirty-one billion, ten million, three hundred five thousand, three hundred forty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.077 sec. • engine limits •