Base | Representation |
---|---|
bin | 1101101110111000101011… |
… | …10110011001111100101010 |
3 | 10221220221001011120210122010 |
4 | 12313130111312121330222 |
5 | 12424232040100014040 |
6 | 144120522110540350 |
7 | 6234516366500364 |
oct | 667342566317452 |
9 | 127827034523563 |
10 | 30198281641770 |
11 | 96930237a0290 |
12 | 34787675076b6 |
13 | 13b08bb754ab8 |
14 | 765867167d34 |
15 | 3757d746ee80 |
hex | 1b7715d99f2a |
30198281641770 has 64 divisors (see below), whose sum is σ = 79065256415616. Its totient is φ = 7320734023680.
The previous prime is 30198281641769. The next prime is 30198281641771. The reversal of 30198281641770 is 7714618289103.
It is an interprime number because it is at equal distance from previous prime (30198281641769) and next prime (30198281641771).
It is a self number, because there is not a number n which added to its sum of digits gives 30198281641770.
It is not an unprimeable number, because it can be changed into a prime (30198281641771) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48244242 + ... + 48866178.
It is an arithmetic number, because the mean of its divisors is an integer number (1235394631494).
Almost surely, 230198281641770 is an apocalyptic number.
30198281641770 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
30198281641770 is an abundant number, since it is smaller than the sum of its proper divisors (48866974773846).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30198281641770 is a wasteful number, since it uses less digits than its factorization.
30198281641770 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 769095.
The product of its (nonzero) digits is 4064256, while the sum is 57.
The spelling of 30198281641770 in words is "thirty trillion, one hundred ninety-eight billion, two hundred eighty-one million, six hundred forty-one thousand, seven hundred seventy".
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