Base | Representation |
---|---|
bin | 11100010000000000… |
… | …001000101100010010 |
3 | 2220021222100100122020 |
4 | 130100000020230102 |
5 | 444110302222010 |
6 | 21533534352310 |
7 | 2122454206152 |
oct | 342000105422 |
9 | 86258310566 |
10 | 30333242130 |
11 | 11956362854 |
12 | 5a6665b696 |
13 | 2b254317a9 |
14 | 167a7d2762 |
15 | bc8002470 |
hex | 710008b12 |
30333242130 has 64 divisors (see below), whose sum is σ = 73972821888. Its totient is φ = 7959513600.
The previous prime is 30333242117. The next prime is 30333242153. The reversal of 30333242130 is 3124233303.
It is a happy number.
It is a super-5 number, since 5×303332421305 (a number of 54 digits) contains 55555 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 30333242130.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 463182 + ... + 524598.
It is an arithmetic number, because the mean of its divisors is an integer number (1155825342).
Almost surely, 230333242130 is an apocalyptic number.
30333242130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
30333242130 is an abundant number, since it is smaller than the sum of its proper divisors (43639579758).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30333242130 is a wasteful number, since it uses less digits than its factorization.
30333242130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 61691.
The product of its (nonzero) digits is 3888, while the sum is 24.
Adding to 30333242130 its reverse (3124233303), we get a palindrome (33457475433).
The spelling of 30333242130 in words is "thirty billion, three hundred thirty-three million, two hundred forty-two thousand, one hundred thirty".
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