Base | Representation |
---|---|
bin | 11100001100101111… |
… | …110010001111000001 |
3 | 2220011011120110220200 |
4 | 130030233302033001 |
5 | 444002311433233 |
6 | 21524303555413 |
7 | 2121222026166 |
oct | 341457621701 |
9 | 86134513820 |
10 | 30278624193 |
11 | 11928548564 |
12 | 5a502bbb69 |
13 | 2b1701a49c |
14 | 167345606d |
15 | bc3314313 |
hex | 70cbf23c1 |
30278624193 has 12 divisors (see below), whose sum is σ = 44752902480. Its totient is φ = 19716313176.
The previous prime is 30278624147. The next prime is 30278624227. The reversal of 30278624193 is 39142687203.
30278624193 is a `hidden beast` number, since 3 + 0 + 2 + 7 + 8 + 624 + 19 + 3 = 666.
It is not a de Polignac number, because 30278624193 - 217 = 30278493121 is a prime.
It is not an unprimeable number, because it can be changed into a prime (30278624693) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39119283 + ... + 39120056.
It is an arithmetic number, because the mean of its divisors is an integer number (3729408540).
Almost surely, 230278624193 is an apocalyptic number.
It is an amenable number.
30278624193 is a deficient number, since it is larger than the sum of its proper divisors (14474278287).
30278624193 is a wasteful number, since it uses less digits than its factorization.
30278624193 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 78239388 (or 78239385 counting only the distinct ones).
The product of its (nonzero) digits is 435456, while the sum is 45.
The spelling of 30278624193 in words is "thirty billion, two hundred seventy-eight million, six hundred twenty-four thousand, one hundred ninety-three".
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