Base | Representation |
---|---|
bin | 11100010001011000… |
… | …011011010101111000 |
3 | 2220100120220020200202 |
4 | 130101120123111320 |
5 | 444132213342232 |
6 | 21540122421332 |
7 | 2123155014365 |
oct | 342130332570 |
9 | 86316806622 |
10 | 30356387192 |
11 | 11968430aaa |
12 | 5a72361848 |
13 | 2b2a1765b1 |
14 | 167d8d946c |
15 | bca075162 |
hex | 71161b578 |
30356387192 has 16 divisors (see below), whose sum is σ = 57207153960. Its totient is φ = 15101146144.
The previous prime is 30356387177. The next prime is 30356387203. The reversal of 30356387192 is 29178365303.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9629258 + ... + 9632409.
Almost surely, 230356387192 is an apocalyptic number.
It is an amenable number.
30356387192 is a deficient number, since it is larger than the sum of its proper divisors (26850766768).
30356387192 is a wasteful number, since it uses less digits than its factorization.
30356387192 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19261870 (or 19261866 counting only the distinct ones).
The product of its (nonzero) digits is 816480, while the sum is 47.
The spelling of 30356387192 in words is "thirty billion, three hundred fifty-six million, three hundred eighty-seven thousand, one hundred ninety-two".
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