Base | Representation |
---|---|
bin | 11100000110010100… |
… | …010001110100001100 |
3 | 2212212122120220122100 |
4 | 130012110101310030 |
5 | 443242203001340 |
6 | 21505451515100 |
7 | 2115442100622 |
oct | 340624216414 |
9 | 85778526570 |
10 | 30170750220 |
11 | 11882669216 |
12 | 5a20158a90 |
13 | 2aca87aa30 |
14 | 1662db5512 |
15 | bb8b06830 |
hex | 706511d0c |
30170750220 has 72 divisors (see below), whose sum is σ = 98557791696. Its totient is φ = 7426645632.
The previous prime is 30170750219. The next prime is 30170750251. The reversal of 30170750220 is 2205707103.
30170750220 is a `hidden beast` number, since 301 + 70 + 75 + 0 + 220 = 666.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6444402 + ... + 6449081.
It is an arithmetic number, because the mean of its divisors is an integer number (1368858218).
Almost surely, 230170750220 is an apocalyptic number.
30170750220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
30170750220 is an abundant number, since it is smaller than the sum of its proper divisors (68387041476).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30170750220 is a wasteful number, since it uses less digits than its factorization.
30170750220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12893511 (or 12893506 counting only the distinct ones).
The product of its (nonzero) digits is 2940, while the sum is 27.
The spelling of 30170750220 in words is "thirty billion, one hundred seventy million, seven hundred fifty thousand, two hundred twenty".
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