Base | Representation |
---|---|
bin | 11100100011001000… |
… | …111000011110101000 |
3 | 2221010100110220010222 |
4 | 130203020320132220 |
5 | 1000240000131440 |
6 | 22025444025212 |
7 | 2133433161131 |
oct | 344310703650 |
9 | 87110426128 |
10 | 30654302120 |
11 | 12000610992 |
12 | 5b36092208 |
13 | 2b76ac4310 |
14 | 16ab2c8c88 |
15 | be62c12b5 |
hex | 7232387a8 |
30654302120 has 32 divisors (see below), whose sum is σ = 74277733320. Its totient is φ = 11318511360.
The previous prime is 30654302117. The next prime is 30654302141. The reversal of 30654302120 is 2120345603.
It can be written as a sum of positive squares in 4 ways, for example, as 23992151236 + 6662150884 = 154894^2 + 81622^2 .
It is a Harshad number since it is a multiple of its sum of digits (26).
It is a self number, because there is not a number n which added to its sum of digits gives 30654302120.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29474771 + ... + 29475810.
Almost surely, 230654302120 is an apocalyptic number.
It is an amenable number.
30654302120 is an abundant number, since it is smaller than the sum of its proper divisors (43623431200).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30654302120 is a wasteful number, since it uses less digits than its factorization.
30654302120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 58950605 (or 58950601 counting only the distinct ones).
The product of its (nonzero) digits is 4320, while the sum is 26.
Adding to 30654302120 its reverse (2120345603), we get a palindrome (32774647723).
The spelling of 30654302120 in words is "thirty billion, six hundred fifty-four million, three hundred two thousand, one hundred twenty".
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