Base | Representation |
---|---|
bin | 11100001101001100… |
… | …100001011100010101 |
3 | 2220011200202012210100 |
4 | 130031030201130111 |
5 | 444011224020324 |
6 | 21525133244313 |
7 | 2121343043352 |
oct | 341514413425 |
9 | 86150665710 |
10 | 30286157589 |
11 | 11931823506 |
12 | 5a52933699 |
13 | 2b1875740c |
14 | 1674457629 |
15 | bc3d014c9 |
hex | 70d321715 |
30286157589 has 6 divisors (see below), whose sum is σ = 43746672086. Its totient is φ = 20190771720.
The previous prime is 30286157549. The next prime is 30286157617. The reversal of 30286157589 is 98575168203.
30286157589 is a `hidden beast` number, since 3 + 0 + 2 + 8 + 6 + 1 + 57 + 589 = 666.
It can be written as a sum of positive squares in only one way, i.e., 23634450225 + 6651707364 = 153735^2 + 81558^2 .
It is a de Polignac number, because none of the positive numbers 2k-30286157589 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 (30286157549) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1682564302 + ... + 1682564319.
Almost surely, 230286157589 is an apocalyptic number.
It is an amenable number.
30286157589 is a deficient number, since it is larger than the sum of its proper divisors (13460514497).
30286157589 is a wasteful number, since it uses less digits than its factorization.
30286157589 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3365128627 (or 3365128624 counting only the distinct ones).
The product of its (nonzero) digits is 3628800, while the sum is 54.
The spelling of 30286157589 in words is "thirty billion, two hundred eighty-six million, one hundred fifty-seven thousand, five hundred eighty-nine".
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