Base | Representation |
---|---|
bin | 11100000100100111… |
… | …100001100100001001 |
3 | 2212210122221111101112 |
4 | 130010213201210021 |
5 | 443212403203113 |
6 | 21502552500105 |
7 | 2114644551512 |
oct | 340447414411 |
9 | 85718844345 |
10 | 30142241033 |
11 | 11868566903 |
12 | 5a126aa635 |
13 | 2ac49a84a8 |
14 | 165d2b3a09 |
15 | bb63745a8 |
hex | 7049e1909 |
30142241033 has 4 divisors (see below), whose sum is σ = 30372334608. Its totient is φ = 29912147460.
The previous prime is 30142241029. The next prime is 30142241047. The reversal of 30142241033 is 33014224103.
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: 33014224103 = 7 ⋅4716317729.
It is a cyclic number.
It is not a de Polignac number, because 30142241033 - 22 = 30142241029 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30142241023) 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, 115046591 + ... + 115046852.
It is an arithmetic number, because the mean of its divisors is an integer number (7593083652).
Almost surely, 230142241033 is an apocalyptic number.
It is an amenable number.
30142241033 is a deficient number, since it is larger than the sum of its proper divisors (230093575).
30142241033 is a wasteful number, since it uses less digits than its factorization.
30142241033 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 230093574.
The product of its (nonzero) digits is 1728, while the sum is 23.
Adding to 30142241033 its reverse (33014224103), we get a palindrome (63156465136).
The spelling of 30142241033 in words is "thirty billion, one hundred forty-two million, two hundred forty-one thousand, thirty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •