Base | Representation |
---|---|
bin | 11100101100100011… |
… | …101100110110110011 |
3 | 2221112100211102000011 |
4 | 130230203230312303 |
5 | 1001100423433342 |
6 | 22053251035351 |
7 | 2140362314104 |
oct | 345443546663 |
9 | 87470742004 |
10 | 30812327347 |
11 | 1208183464a |
12 | 5b7ab9bb57 |
13 | 2ba0772c79 |
14 | 16c42a23ab |
15 | c050d8717 |
hex | 72c8ecdb3 |
30812327347 has 4 divisors (see below), whose sum is σ = 30828269440. Its totient is φ = 30796385256.
The previous prime is 30812327321. The next prime is 30812327369. The reversal of 30812327347 is 74372321803.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 30812327347 - 219 = 30811803059 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30812327947) 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, 7968147 + ... + 7972012.
It is an arithmetic number, because the mean of its divisors is an integer number (7707067360).
Almost surely, 230812327347 is an apocalyptic number.
30812327347 is a deficient number, since it is larger than the sum of its proper divisors (15942093).
30812327347 is a wasteful number, since it uses less digits than its factorization.
30812327347 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15942092.
The product of its (nonzero) digits is 169344, while the sum is 40.
The spelling of 30812327347 in words is "thirty billion, eight hundred twelve million, three hundred twenty-seven thousand, three hundred forty-seven".
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