Base | Representation |
---|---|
bin | 11100001110101111… |
… | …000110101110010011 |
3 | 2220020111101011110121 |
4 | 130032233012232103 |
5 | 444034333003103 |
6 | 21531455211111 |
7 | 2122105516006 |
oct | 341657065623 |
9 | 86214334417 |
10 | 30312000403 |
11 | 11945374603 |
12 | 5a5b516a97 |
13 | 2b20c05119 |
14 | 1677a6353d |
15 | bc62086bd |
hex | 70ebc6b93 |
30312000403 has 8 divisors (see below), whose sum is σ = 32401375776. Its totient is φ = 28286913600.
The previous prime is 30312000391. The next prime is 30312000431. The reversal of 30312000403 is 30400021303.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 30312000403 - 217 = 30311869331 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30312010403) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16071168 + ... + 16073053.
It is an arithmetic number, because the mean of its divisors is an integer number (4050171972).
Almost surely, 230312000403 is an apocalyptic number.
30312000403 is a deficient number, since it is larger than the sum of its proper divisors (2089375373).
30312000403 is a wasteful number, since it uses less digits than its factorization.
30312000403 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 32144285.
The product of its (nonzero) digits is 216, while the sum is 16.
Adding to 30312000403 its reverse (30400021303), we get a palindrome (60712021706).
The spelling of 30312000403 in words is "thirty billion, three hundred twelve million, four hundred three", and thus it is an aban number.
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •