Base | Representation |
---|---|
bin | 11100001110111101… |
… | …011000011010100110 |
3 | 2220020202102022012002 |
4 | 130032331120122212 |
5 | 444041312233021 |
6 | 21532111325302 |
7 | 2122152364022 |
oct | 341675303246 |
9 | 86222368162 |
10 | 30315742886 |
11 | 119474a0370 |
12 | 5a60820832 |
13 | 2b21915700 |
14 | 1678359382 |
15 | bc66e750b |
hex | 70ef586a6 |
30315742886 has 48 divisors (see below), whose sum is σ = 53910104688. Its totient is φ = 12674188800.
The previous prime is 30315742861. The next prime is 30315742907. The reversal of 30315742886 is 68824751303.
It is a self number, because there is not a number n which added to its sum of digits gives 30315742886.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1030250 + ... + 1059266.
It is an arithmetic number, because the mean of its divisors is an integer number (1123127181).
Almost surely, 230315742886 is an apocalyptic number.
30315742886 is a deficient number, since it is larger than the sum of its proper divisors (23594361802).
30315742886 is a wasteful number, since it uses less digits than its factorization.
30315742886 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 29337 (or 29324 counting only the distinct ones).
The product of its (nonzero) digits is 967680, while the sum is 47.
The spelling of 30315742886 in words is "thirty billion, three hundred fifteen million, seven hundred forty-two thousand, eight hundred eighty-six".
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