Base | Representation |
---|---|
bin | 11100101011110100… |
… | …010111010000000000 |
3 | 2221111111110221200200 |
4 | 130223310113100000 |
5 | 1001034234334310 |
6 | 22052125045200 |
7 | 2140151661351 |
oct | 345364272000 |
9 | 87444427620 |
10 | 30799918080 |
11 | 12075829358 |
12 | 5b769b6800 |
13 | 2b9b0198c9 |
14 | 16c2791d28 |
15 | c03e869c0 |
hex | 72bd17400 |
30799918080 has 528 divisors, whose sum is σ = 113631098880. Its totient is φ = 7691894784.
The previous prime is 30799918063. The next prime is 30799918091. The reversal of 30799918080 is 8081999703.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 111190902 + ... + 111191178.
Almost surely, 230799918080 is an apocalyptic number.
30799918080 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30799918080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56815549440).
30799918080 is an abundant number, since it is smaller than the sum of its proper divisors (82831180800).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30799918080 is a wasteful number, since it uses less digits than its factorization.
30799918080 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 454 (or 433 counting only the distinct ones).
The product of its (nonzero) digits is 979776, while the sum is 54.
The spelling of 30799918080 in words is "thirty billion, seven hundred ninety-nine million, nine hundred eighteen thousand, eighty".
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