Base | Representation |
---|---|
bin | 11100010111100001… |
… | …100001011000110000 |
3 | 2220121202210121002100 |
4 | 130113201201120300 |
5 | 444340103401134 |
6 | 21554243220400 |
7 | 2125545631110 |
oct | 342741413060 |
9 | 86552717070 |
10 | 30459434544 |
11 | 11a10614000 |
12 | 5aa0977700 |
13 | 2b45616166 |
14 | 168d481040 |
15 | bd412c999 |
hex | 717861630 |
30459434544 has 480 divisors, whose sum is σ = 108973882368. Its totient is φ = 7778073600.
The previous prime is 30459434519. The next prime is 30459434561. The reversal of 30459434544 is 44543495403.
30459434544 is a `hidden beast` number, since 3 + 0 + 4 + 594 + 3 + 4 + 54 + 4 = 666.
It is a self number, because there is not a number n which added to its sum of digits gives 30459434544.
It is an unprimeable number.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 97940149 + ... + 97940459.
Almost surely, 230459434544 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30459434544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54486941184).
30459434544 is an abundant number, since it is smaller than the sum of its proper divisors (78514447824).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30459434544 is a wasteful number, since it uses less digits than its factorization.
30459434544 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 438 (or 407 counting only the distinct ones).
The product of its (nonzero) digits is 2073600, while the sum is 45.
The spelling of 30459434544 in words is "thirty billion, four hundred fifty-nine million, four hundred thirty-four thousand, five hundred forty-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •