Base | Representation |
---|---|
bin | 11100001111101011… |
… | …101011001001101010 |
3 | 2220021121020211210000 |
4 | 130033223223021222 |
5 | 444102414101000 |
6 | 21533223403430 |
7 | 2122360466055 |
oct | 341753531152 |
9 | 86247224700 |
10 | 30327878250 |
11 | 1195332989a |
12 | 5a648b3576 |
13 | 2b242a41b7 |
14 | 1679bd7a9c |
15 | bc77e3000 |
hex | 70faeb26a |
30327878250 has 80 divisors (see below), whose sum is σ = 84810283272. Its totient is φ = 8087428800.
The previous prime is 30327878197. The next prime is 30327878267. The reversal of 30327878250 is 5287872303.
30327878250 is a `hidden beast` number, since 3 + 0 + 327 + 8 + 78 + 250 = 666.
It can be written as a sum of positive squares in 4 ways, for example, as 10267971561 + 20059906689 = 101331^2 + 141633^2 .
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a junction number, because it is equal to n+sod(n) for n = 30327878196 and 30327878205.
It is an unprimeable number.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 728587 + ... + 769086.
Almost surely, 230327878250 is an apocalyptic number.
30327878250 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
30327878250 is an abundant number, since it is smaller than the sum of its proper divisors (54482405022).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30327878250 is a wasteful number, since it uses less digits than its factorization.
30327878250 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1497702 (or 1497683 counting only the distinct ones).
The product of its (nonzero) digits is 564480, while the sum is 45.
The spelling of 30327878250 in words is "thirty billion, three hundred twenty-seven million, eight hundred seventy-eight thousand, two hundred fifty".
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