Base | Representation |
---|---|
bin | 11100011100011100… |
… | …111110110011011000 |
3 | 2220211112101222110112 |
4 | 130130130332303120 |
5 | 1000022241133032 |
6 | 22010355503452 |
7 | 2130601552634 |
oct | 343434766330 |
9 | 86745358415 |
10 | 30542130392 |
11 | 11a53266684 |
12 | 5b045b7b88 |
13 | 2b597ab607 |
14 | 169a449dc4 |
15 | bdb5151b2 |
hex | 71c73ecd8 |
30542130392 has 16 divisors (see below), whose sum is σ = 57276975960. Its totient is φ = 15268270144.
The previous prime is 30542130391. The next prime is 30542130401. The reversal of 30542130392 is 29303124503.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30542130391) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 302573 + ... + 390684.
Almost surely, 230542130392 is an apocalyptic number.
It is an amenable number.
30542130392 is a deficient number, since it is larger than the sum of its proper divisors (26734845568).
30542130392 is a wasteful number, since it uses less digits than its factorization.
30542130392 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 698770 (or 698766 counting only the distinct ones).
The product of its (nonzero) digits is 19440, while the sum is 32.
Adding to 30542130392 its reverse (29303124503), we get a palindrome (59845254895).
The spelling of 30542130392 in words is "thirty billion, five hundred forty-two million, one hundred thirty thousand, three hundred ninety-two".
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