Base | Representation |
---|---|
bin | 11100010000000001… |
… | …101111100111010001 |
3 | 2220022000010202220211 |
4 | 130100001233213101 |
5 | 444110404214242 |
6 | 21533551404121 |
7 | 2122460613211 |
oct | 342001574721 |
9 | 86260122824 |
10 | 30333663697 |
11 | 11956620557 |
12 | 5a66823641 |
13 | 2b2554b63c |
14 | 167a8a2241 |
15 | bc8087317 |
hex | 71006f9d1 |
30333663697 has 4 divisors (see below), whose sum is σ = 30334077936. Its totient is φ = 30333249460.
The previous prime is 30333663637. The next prime is 30333663719. The reversal of 30333663697 is 79636633303.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 79636633303 = 32381 ⋅2459363.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-30333663697 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 30333663697.
It is not an unprimeable number, because it can be changed into a prime (30333663617) 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, 64579 + ... + 254632.
It is an arithmetic number, because the mean of its divisors is an integer number (7583519484).
Almost surely, 230333663697 is an apocalyptic number.
It is an amenable number.
30333663697 is a deficient number, since it is larger than the sum of its proper divisors (414239).
30333663697 is an equidigital number, since it uses as much as digits as its factorization.
30333663697 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 414238.
The product of its (nonzero) digits is 3306744, while the sum is 49.
The spelling of 30333663697 in words is "thirty billion, three hundred thirty-three million, six hundred sixty-three thousand, six hundred ninety-seven".
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