Base | Representation |
---|---|
bin | 11100001000011111… |
… | …001110001010100000 |
3 | 2212222012010101200120 |
4 | 130020133032022200 |
5 | 443331014021110 |
6 | 21513232320240 |
7 | 2116363510404 |
oct | 341037161240 |
9 | 85865111616 |
10 | 30207173280 |
11 | 118a1186419 |
12 | 5a303a3080 |
13 | 2b0529143b |
14 | 1667b77104 |
15 | bbbded870 |
hex | 7087ce2a0 |
30207173280 has 96 divisors (see below), whose sum is σ = 99289701504. Its totient is φ = 7705015296.
The previous prime is 30207173263. The next prime is 30207173323. The reversal of 30207173280 is 8237170203.
It is a tau number, because it is divible by the number of its divisors (96).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1357039 + ... + 1379118.
It is an arithmetic number, because the mean of its divisors is an integer number (1034267724).
Almost surely, 230207173280 is an apocalyptic number.
30207173280 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
30207173280 is an abundant number, since it is smaller than the sum of its proper divisors (69082528224).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30207173280 is a wasteful number, since it uses less digits than its factorization.
30207173280 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2736198 (or 2736190 counting only the distinct ones).
The product of its (nonzero) digits is 14112, while the sum is 33.
The spelling of 30207173280 in words is "thirty billion, two hundred seven million, one hundred seventy-three thousand, two hundred eighty".
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