Base | Representation |
---|---|
bin | 11100011001101001… |
… | …001000101111101000 |
3 | 2220201020200202102000 |
4 | 130121221020233220 |
5 | 444423204011232 |
6 | 22001553211000 |
7 | 2126460045240 |
oct | 343151105750 |
9 | 86636622360 |
10 | 30494985192 |
11 | 11a29695801 |
12 | 5ab0860a60 |
13 | 2b4cab2749 |
14 | 1694096b20 |
15 | bd730127c |
hex | 719a48be8 |
30494985192 has 128 divisors (see below), whose sum is σ = 96913843200. Its totient is φ = 8703460800.
The previous prime is 30494985121. The next prime is 30494985217. The reversal of 30494985192 is 29158949403.
30494985192 is a `hidden beast` number, since 30 + 4 + 9 + 4 + 98 + 519 + 2 = 666.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1457767 + ... + 1478537.
It is an arithmetic number, because the mean of its divisors is an integer number (757139400).
Almost surely, 230494985192 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 30494985192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48456921600).
30494985192 is an abundant number, since it is smaller than the sum of its proper divisors (66418858008).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30494985192 is a wasteful number, since it uses less digits than its factorization.
30494985192 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 21764 (or 21754 counting only the distinct ones).
The product of its (nonzero) digits is 2799360, while the sum is 54.
The spelling of 30494985192 in words is "thirty billion, four hundred ninety-four million, nine hundred eighty-five thousand, one hundred ninety-two".
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