Base | Representation |
---|---|
bin | 11100010101110011… |
… | …010011000110101001 |
3 | 2220112202102121111111 |
4 | 130111303103012221 |
5 | 444310204241301 |
6 | 21551332030321 |
7 | 2125045216045 |
oct | 342563230651 |
9 | 86482377444 |
10 | 30430540201 |
11 | 119a6279286 |
12 | 5a931623a1 |
13 | 2b3c63a509 |
14 | 16896bd025 |
15 | bd1821551 |
hex | 715cd31a9 |
30430540201 has 4 divisors (see below), whose sum is σ = 32032147600. Its totient is φ = 28828932804.
The previous prime is 30430540187. The next prime is 30430540211. The reversal of 30430540201 is 10204503403.
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: 10204503403 = 23 ⋅443674061.
It is a cyclic number.
It is not a de Polignac number, because 30430540201 - 213 = 30430532009 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30430540211) 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, 800803671 + ... + 800803708.
It is an arithmetic number, because the mean of its divisors is an integer number (8008036900).
Almost surely, 230430540201 is an apocalyptic number.
It is an amenable number.
30430540201 is a deficient number, since it is larger than the sum of its proper divisors (1601607399).
30430540201 is a wasteful number, since it uses less digits than its factorization.
30430540201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1601607398.
The product of its (nonzero) digits is 1440, while the sum is 22.
The spelling of 30430540201 in words is "thirty billion, four hundred thirty million, five hundred forty thousand, two hundred one".
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