Base | Representation |
---|---|
bin | 11100001100101010… |
… | …010100000100010100 |
3 | 2220011001212121110000 |
4 | 130030222110010110 |
5 | 444001430034113 |
6 | 21524213131300 |
7 | 2121203603460 |
oct | 341452240424 |
9 | 86131777400 |
10 | 30277189908 |
11 | 119277589a9 |
12 | 5a4b929b30 |
13 | 2b169376b4 |
14 | 16731a14a0 |
15 | bc312e373 |
hex | 70ca94114 |
30277189908 has 120 divisors (see below), whose sum is σ = 90793412864. Its totient is φ = 8618529600.
The previous prime is 30277189879. The next prime is 30277189913. The reversal of 30277189908 is 80998177203.
30277189908 is a `hidden beast` number, since 302 + 77 + 189 + 90 + 8 = 666.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 589998 + ... + 639258.
Almost surely, 230277189908 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30277189908, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45396706432).
30277189908 is an abundant number, since it is smaller than the sum of its proper divisors (60516222956).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30277189908 is a wasteful number, since it uses less digits than its factorization.
30277189908 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 49555 (or 49544 counting only the distinct ones).
The product of its (nonzero) digits is 1524096, while the sum is 54.
The spelling of 30277189908 in words is "thirty billion, two hundred seventy-seven million, one hundred eighty-nine thousand, nine hundred eight".
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