Base | Representation |
---|---|
bin | 11100010001011011… |
… | …000011010101110101 |
3 | 2220100122012012121212 |
4 | 130101123003111311 |
5 | 444132402402232 |
6 | 21540145251205 |
7 | 2123163611522 |
oct | 342133032565 |
9 | 86318165555 |
10 | 30357075317 |
11 | 11968860aa8 |
12 | 5a72633b05 |
13 | 2b2a35787a |
14 | 167da38149 |
15 | bca15deb2 |
hex | 7116c3575 |
30357075317 has 2 divisors, whose sum is σ = 30357075318. Its totient is φ = 30357075316.
The previous prime is 30357075277. The next prime is 30357075323. The reversal of 30357075317 is 71357075303.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 29230398961 + 1126676356 = 170969^2 + 33566^2 .
It is a cyclic number.
It is not a de Polignac number, because 30357075317 - 212 = 30357071221 is a prime.
It is a super-5 number, since 5×303570753175 (a number of 54 digits) contains 55555 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (30357075337) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15178537658 + 15178537659.
It is an arithmetic number, because the mean of its divisors is an integer number (15178537659).
Almost surely, 230357075317 is an apocalyptic number.
It is an amenable number.
30357075317 is a deficient number, since it is larger than the sum of its proper divisors (1).
30357075317 is an equidigital number, since it uses as much as digits as its factorization.
30357075317 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 231525, while the sum is 41.
The spelling of 30357075317 in words is "thirty billion, three hundred fifty-seven million, seventy-five thousand, three hundred seventeen".
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