Base | Representation |
---|---|
bin | 11011111111010010… |
… | …010000101000100011 |
3 | 2212120102121102201101 |
4 | 123333102100220203 |
5 | 443022002434304 |
6 | 21450035215231 |
7 | 2112510264043 |
oct | 337722205043 |
9 | 85512542641 |
10 | 30052780579 |
11 | 11822013948 |
12 | 59a8747517 |
13 | 2aac2b5003 |
14 | 1651467723 |
15 | bad5a28a4 |
hex | 6ff490a23 |
30052780579 has 2 divisors, whose sum is σ = 30052780580. Its totient is φ = 30052780578.
The previous prime is 30052780553. The next prime is 30052780621. The reversal of 30052780579 is 97508725003.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 30052780579 - 211 = 30052778531 is a prime.
It is not a weakly prime, because it can be changed into another prime (30052781579) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15026390289 + 15026390290.
It is an arithmetic number, because the mean of its divisors is an integer number (15026390290).
Almost surely, 230052780579 is an apocalyptic number.
30052780579 is a deficient number, since it is larger than the sum of its proper divisors (1).
30052780579 is an equidigital number, since it uses as much as digits as its factorization.
30052780579 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 529200, while the sum is 46.
The spelling of 30052780579 in words is "thirty billion, fifty-two million, seven hundred eighty thousand, five hundred seventy-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.083 sec. • engine limits •