Base | Representation |
---|---|
bin | 11100001100110001… |
… | …100111111111100010 |
3 | 2220011012110222120000 |
4 | 130030301213333202 |
5 | 444002422402110 |
6 | 21524322200430 |
7 | 2121226105341 |
oct | 341461477742 |
9 | 86135428500 |
10 | 30279106530 |
11 | 11928847992 |
12 | 5a504b3116 |
13 | 2b17158baa |
14 | 167353db58 |
15 | bc33ac1c0 |
hex | 70cc67fe2 |
30279106530 has 80 divisors (see below), whose sum is σ = 81530729280. Its totient is φ = 8063165088.
The previous prime is 30279106411. The next prime is 30279106573. The reversal of 30279106530 is 3560197203.
30279106530 is a `hidden beast` number, since 30 + 2 + 7 + 91 + 0 + 6 + 530 = 666.
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, 563161 + ... + 614579.
It is an arithmetic number, because the mean of its divisors is an integer number (1019134116).
Almost surely, 230279106530 is an apocalyptic number.
30279106530 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 30279106530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40765364640).
30279106530 is an abundant number, since it is smaller than the sum of its proper divisors (51251622750).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30279106530 is a wasteful number, since it uses less digits than its factorization.
30279106530 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 52165 (or 52156 counting only the distinct ones).
The product of its (nonzero) digits is 34020, while the sum is 36.
The spelling of 30279106530 in words is "thirty billion, two hundred seventy-nine million, one hundred six thousand, five hundred thirty".
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