Base | Representation |
---|---|
bin | 11100001001110111… |
… | …001000111001110010 |
3 | 2220000210111022101200 |
4 | 130021313020321302 |
5 | 443402414023102 |
6 | 21515414312030 |
7 | 2120063430234 |
oct | 341167107162 |
9 | 86023438350 |
10 | 30230220402 |
11 | 11903198028 |
12 | 5a38058616 |
13 | 2b09ca07a5 |
14 | 166ac56254 |
15 | bbde5251c |
hex | 709dc8e72 |
30230220402 has 24 divisors (see below), whose sum is σ = 65639083536. Its totient is φ = 10055159736.
The previous prime is 30230220353. The next prime is 30230220443. The reversal of 30230220402 is 20402203203.
30230220402 is a `hidden beast` number, since 30 + 230 + 2 + 2 + 0 + 402 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1789728 + ... + 1806539.
It is an arithmetic number, because the mean of its divisors is an integer number (2734961814).
Almost surely, 230230220402 is an apocalyptic number.
30230220402 is an abundant number, since it is smaller than the sum of its proper divisors (35408863134).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30230220402 is a wasteful number, since it uses less digits than its factorization.
30230220402 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3596742 (or 3596739 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 18.
Adding to 30230220402 its reverse (20402203203), we get a palindrome (50632423605).
The spelling of 30230220402 in words is "thirty billion, two hundred thirty million, two hundred twenty thousand, four hundred two".
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