Base | Representation |
---|---|
bin | 11100010001000111… |
… | …110010011011000111 |
3 | 2220100021200122021201 |
4 | 130101013302123013 |
5 | 444130104302122 |
6 | 21535445123331 |
7 | 2123102646433 |
oct | 342107623307 |
9 | 86307618251 |
10 | 30352025287 |
11 | 11965a21921 |
12 | 5a709b9547 |
13 | 2b292aa09c |
14 | 167d0c19c3 |
15 | bc99b2a27 |
hex | 7111f26c7 |
30352025287 has 2 divisors, whose sum is σ = 30352025288. Its totient is φ = 30352025286.
The previous prime is 30352025251. The next prime is 30352025303. The reversal of 30352025287 is 78252025303.
It is a happy number.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-30352025287 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (30352025227) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15176012643 + 15176012644.
It is an arithmetic number, because the mean of its divisors is an integer number (15176012644).
Almost surely, 230352025287 is an apocalyptic number.
30352025287 is a deficient number, since it is larger than the sum of its proper divisors (1).
30352025287 is an equidigital number, since it uses as much as digits as its factorization.
30352025287 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 100800, while the sum is 37.
The spelling of 30352025287 in words is "thirty billion, three hundred fifty-two million, twenty-five thousand, two hundred eighty-seven".
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