Base | Representation |
---|---|
bin | 11100100101101010… |
… | …001011111111101010 |
3 | 2221020022001012102121 |
4 | 130211222023333222 |
5 | 1000331311242432 |
6 | 22033554221454 |
7 | 2134455454306 |
oct | 344552137752 |
9 | 87208035377 |
10 | 30696587242 |
11 | 12022472372 |
12 | 5b4828488a |
13 | 2b827aacb9 |
14 | 16b2b74d06 |
15 | be9d75197 |
hex | 725a8bfea |
30696587242 has 4 divisors (see below), whose sum is σ = 46044880866. Its totient is φ = 15348293620.
The previous prime is 30696587231. The next prime is 30696587309. The reversal of 30696587242 is 24278569603.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24278569603 = 35863 ⋅676981.
It can be written as a sum of positive squares in only one way, i.e., 22340981961 + 8355605281 = 149469^2 + 91409^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 30696587242.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7674146809 + ... + 7674146812.
Almost surely, 230696587242 is an apocalyptic number.
30696587242 is a deficient number, since it is larger than the sum of its proper divisors (15348293624).
30696587242 is a wasteful number, since it uses less digits than its factorization.
30696587242 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15348293623.
The product of its (nonzero) digits is 4354560, while the sum is 52.
The spelling of 30696587242 in words is "thirty billion, six hundred ninety-six million, five hundred eighty-seven thousand, two hundred forty-two".
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