Base | Representation |
---|---|
bin | 11100011001111101… |
… | …100101111011100100 |
3 | 2220201121210012021110 |
4 | 130121331211323210 |
5 | 444431042110440 |
6 | 22002304145020 |
7 | 2126553451161 |
oct | 343175457344 |
9 | 86647705243 |
10 | 30500347620 |
11 | 11a31718666 |
12 | 5ab2608170 |
13 | 2b50c3c492 |
14 | 1694a91068 |
15 | bd7a10080 |
hex | 719f65ee4 |
30500347620 has 48 divisors (see below), whose sum is σ = 85408682688. Its totient is φ = 8132691840.
The previous prime is 30500347609. The next prime is 30500347643. The reversal of 30500347620 is 2674300503.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1107862 + ... + 1135058.
It is an arithmetic number, because the mean of its divisors is an integer number (1779347556).
Almost surely, 230500347620 is an apocalyptic number.
30500347620 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
30500347620 is an abundant number, since it is smaller than the sum of its proper divisors (54908335068).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30500347620 is a wasteful number, since it uses less digits than its factorization.
30500347620 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 45900 (or 45898 counting only the distinct ones).
The product of its (nonzero) digits is 15120, while the sum is 30.
The spelling of 30500347620 in words is "thirty billion, five hundred million, three hundred forty-seven thousand, six hundred twenty".
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