Base | Representation |
---|---|
bin | 11100000111111111… |
… | …010000010001000100 |
3 | 2212221121100122111100 |
4 | 130013333100101010 |
5 | 443321342341114 |
6 | 21512332540100 |
7 | 2116232336052 |
oct | 340777202104 |
9 | 85847318440 |
10 | 30198793284 |
11 | 11897482400 |
12 | 5a29621630 |
13 | 2b0361906a |
14 | 16669d51d2 |
15 | bbb2e5909 |
hex | 707fd0444 |
30198793284 has 81 divisors (see below), whose sum is σ = 83938214269. Its totient is φ = 9147673920.
The previous prime is 30198793223. The next prime is 30198793333. The reversal of 30198793284 is 48239789103.
The square root of 30198793284 is 173778.
It is a perfect power (a square), and thus also a powerful number.
30198793284 is a `hidden beast` number, since 301 + 9 + 8 + 7 + 9 + 328 + 4 = 666.
It can be written as a sum of positive squares in only one way, i.e., 4940684100 + 25258109184 = 70290^2 + 158928^2 .
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 30198793284.
It is an unprimeable number.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 11468032 + ... + 11470664.
Almost surely, 230198793284 is an apocalyptic number.
30198793284 is the 173778-th square number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30198793284
30198793284 is an abundant number, since it is smaller than the sum of its proper divisors (53739420985).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30198793284 is a wasteful number, since it uses less digits than its factorization.
30198793284 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5298 (or 2649 counting only the distinct ones).
The product of its (nonzero) digits is 2612736, while the sum is 54.
The spelling of 30198793284 in words is "thirty billion, one hundred ninety-eight million, seven hundred ninety-three thousand, two hundred eighty-four".
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