Base | Representation |
---|---|
bin | 11011111111011110… |
… | …101100101000101111 |
3 | 2212120122202002011222 |
4 | 123333132230220233 |
5 | 443023321303012 |
6 | 21450233133555 |
7 | 2112550063466 |
oct | 337736545057 |
9 | 85518662158 |
10 | 30056041007 |
11 | 11823940513 |
12 | 59a985a2bb |
13 | 2aacb87065 |
14 | 1651a759dd |
15 | bad9e8972 |
hex | 6ff7aca2f |
30056041007 has 4 divisors (see below), whose sum is σ = 30056577696. Its totient is φ = 30055504320.
The previous prime is 30056040977. The next prime is 30056041027. The reversal of 30056041007 is 70014065003.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70014065003 = 1123 ⋅62345561.
It is a cyclic number.
It is not a de Polignac number, because 30056041007 - 222 = 30051846703 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30056041027) 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, 173063 + ... + 300104.
It is an arithmetic number, because the mean of its divisors is an integer number (7514144424).
Almost surely, 230056041007 is an apocalyptic number.
30056041007 is a deficient number, since it is larger than the sum of its proper divisors (536689).
30056041007 is an equidigital number, since it uses as much as digits as its factorization.
30056041007 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 536688.
The product of its (nonzero) digits is 2520, while the sum is 26.
The spelling of 30056041007 in words is "thirty billion, fifty-six million, forty-one thousand, seven".
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