Base | Representation |
---|---|
bin | 11100001110000000… |
… | …111111010101000000 |
3 | 2220012122121222121000 |
4 | 130032000333111000 |
5 | 444023234131423 |
6 | 21530344132000 |
7 | 2121600666240 |
oct | 341600772500 |
9 | 86178558530 |
10 | 30299911488 |
11 | 11939567a70 |
12 | 5a57467000 |
13 | 2b1b561812 |
14 | 16761d7b20 |
15 | bc511b843 |
hex | 70e03f540 |
30299911488 has 448 divisors, whose sum is σ = 115896176640. Its totient is φ = 7527168000.
The previous prime is 30299911463. The next prime is 30299911541. The reversal of 30299911488 is 88411999203.
It is a tau number, because it is divible by the number of its divisors (448).
It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3055338 + ... + 3065238.
Almost surely, 230299911488 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 30299911488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57948088320).
30299911488 is an abundant number, since it is smaller than the sum of its proper divisors (85596265152).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30299911488 is a wasteful number, since it uses less digits than its factorization.
30299911488 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9963 (or 9947 counting only the distinct ones).
The product of its (nonzero) digits is 1119744, while the sum is 54.
The spelling of 30299911488 in words is "thirty billion, two hundred ninety-nine million, nine hundred eleven thousand, four hundred eighty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.111 sec. • engine limits •