Base | Representation |
---|---|
bin | 11100101000110111… |
… | …000110001110000101 |
3 | 2221101001010020202011 |
4 | 130220313012032011 |
5 | 1000434034144414 |
6 | 22043153414221 |
7 | 2136010156321 |
oct | 345067061605 |
9 | 87331106664 |
10 | 30750303109 |
11 | 1204a820949 |
12 | 5b6226a371 |
13 | 2b90967836 |
14 | 16b9d58981 |
15 | bee935dc4 |
hex | 728dc6385 |
30750303109 has 2 divisors, whose sum is σ = 30750303110. Its totient is φ = 30750303108.
The previous prime is 30750303053. The next prime is 30750303119. The reversal of 30750303109 is 90130305703.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 27872302500 + 2878000609 = 166950^2 + 53647^2 .
It is a cyclic number.
It is not a de Polignac number, because 30750303109 - 219 = 30749778821 is a prime.
It is a super-2 number, since 2×307503031092 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (30750303119) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15375151554 + 15375151555.
It is an arithmetic number, because the mean of its divisors is an integer number (15375151555).
Almost surely, 230750303109 is an apocalyptic number.
It is an amenable number.
30750303109 is a deficient number, since it is larger than the sum of its proper divisors (1).
30750303109 is an equidigital number, since it uses as much as digits as its factorization.
30750303109 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 8505, while the sum is 31.
The spelling of 30750303109 in words is "thirty billion, seven hundred fifty million, three hundred three thousand, one hundred nine".
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