Base | Representation |
---|---|
bin | 11100000100011111… |
… | …000110000000011001 |
3 | 2212210111210012210111 |
4 | 130010133012000121 |
5 | 443211321443001 |
6 | 21502433244321 |
7 | 2114620015333 |
oct | 340437060031 |
9 | 85714705714 |
10 | 30140031001 |
11 | 11867297433 |
12 | 5a11a036a1 |
13 | 2ac43b3592 |
14 | 165cc9a453 |
15 | bb6089851 |
hex | 7047c6019 |
30140031001 has 4 divisors (see below), whose sum is σ = 30552908212. Its totient is φ = 29727153792.
The previous prime is 30140030989. The next prime is 30140031007. The reversal of 30140031001 is 10013004103.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 26302352400 + 3837678601 = 162180^2 + 61949^2 .
It is a cyclic number.
It is not a de Polignac number, because 30140031001 - 211 = 30140028953 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30140031007) 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, 206438496 + ... + 206438641.
It is an arithmetic number, because the mean of its divisors is an integer number (7638227053).
Almost surely, 230140031001 is an apocalyptic number.
It is an amenable number.
30140031001 is a deficient number, since it is larger than the sum of its proper divisors (412877211).
30140031001 is an equidigital number, since it uses as much as digits as its factorization.
30140031001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 412877210.
The product of its (nonzero) digits is 36, while the sum is 13.
Adding to 30140031001 its reverse (10013004103), we get a palindrome (40153035104).
The spelling of 30140031001 in words is "thirty billion, one hundred forty million, thirty-one thousand, one".
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