Base | Representation |
---|---|
bin | 11100110101010001… |
… | …110011011001110101 |
3 | 2221220120010101020002 |
4 | 130311101303121311 |
5 | 1001400402134032 |
6 | 22115554521045 |
7 | 2144120006003 |
oct | 346521633165 |
9 | 87816111202 |
10 | 30958630517 |
11 | 12147381361 |
12 | 5bbbb96185 |
13 | 2bc4b792a9 |
14 | 16d98a7a73 |
15 | c12d87862 |
hex | 735473675 |
30958630517 has 8 divisors (see below), whose sum is σ = 31386293400. Its totient is φ = 30531064320.
The previous prime is 30958630501. The next prime is 30958630523. The reversal of 30958630517 is 71503685903.
It can be written as a sum of positive squares in 4 ways, for example, as 3387356401 + 27571274116 = 58201^2 + 166046^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 30958630517 - 24 = 30958630501 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30958630597) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 824717 + ... + 861437.
It is an arithmetic number, because the mean of its divisors is an integer number (3923286675).
Almost surely, 230958630517 is an apocalyptic number.
It is an amenable number.
30958630517 is a deficient number, since it is larger than the sum of its proper divisors (427662883).
30958630517 is a wasteful number, since it uses less digits than its factorization.
30958630517 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 48343.
The product of its (nonzero) digits is 680400, while the sum is 47.
The spelling of 30958630517 in words is "thirty billion, nine hundred fifty-eight million, six hundred thirty thousand, five hundred seventeen".
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