Base | Representation |
---|---|
bin | 11100011100111011… |
… | …001001010100000000 |
3 | 2220212002021201100000 |
4 | 130130323021110000 |
5 | 1000031302202020 |
6 | 22011241200000 |
7 | 2131026015324 |
oct | 343473112400 |
9 | 86762251300 |
10 | 30550037760 |
11 | 11a577775a0 |
12 | 5b07190000 |
13 | 2b5b319828 |
14 | 169b507984 |
15 | bdc078090 |
hex | 71cec9500 |
30550037760 has 432 divisors, whose sum is σ = 119593131840. Its totient is φ = 7405240320.
The previous prime is 30550037723. The next prime is 30550037761. The reversal of 30550037760 is 6773005503.
30550037760 is a `hidden beast` number, since 3 + 0 + 550 + 0 + 37 + 76 + 0 = 666.
It is a tau number, because it is divible by the number of its divisors (432).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30550037761) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3416976 + ... + 3425904.
Almost surely, 230550037760 is an apocalyptic number.
30550037760 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 30550037760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59796565920).
30550037760 is an abundant number, since it is smaller than the sum of its proper divisors (89043094080).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30550037760 is an equidigital number, since it uses as much as digits as its factorization.
30550037760 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8976 (or 8950 counting only the distinct ones).
The product of its (nonzero) digits is 66150, while the sum is 36.
The spelling of 30550037760 in words is "thirty billion, five hundred fifty million, thirty-seven thousand, seven hundred sixty".
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