Base | Representation |
---|---|
bin | 11011111101111111… |
… | …001011011001110011 |
3 | 2212111220121221000211 |
4 | 123331333023121303 |
5 | 443000414014303 |
6 | 21443540324551 |
7 | 2112124204240 |
oct | 337577133163 |
9 | 85456557024 |
10 | 30031001203 |
11 | 11810798765 |
12 | 59a13a3757 |
13 | 2aa792a9c8 |
14 | 164c5d85c7 |
15 | bab6ee66d |
hex | 6fdfcb673 |
30031001203 has 4 divisors (see below), whose sum is σ = 34321144240. Its totient is φ = 25740858168.
The previous prime is 30031001191. The next prime is 30031001227. The reversal of 30031001203 is 30210013003.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30210013003 = 4723 ⋅6396361.
It is a cyclic number.
It is not a de Polignac number, because 30031001203 - 29 = 30031000691 is a prime.
It is a super-2 number, since 2×300310012032 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30031001263) 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, 2145071508 + ... + 2145071521.
It is an arithmetic number, because the mean of its divisors is an integer number (8580286060).
Almost surely, 230031001203 is an apocalyptic number.
30031001203 is a deficient number, since it is larger than the sum of its proper divisors (4290143037).
30031001203 is an equidigital number, since it uses as much as digits as its factorization.
30031001203 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4290143036.
The product of its (nonzero) digits is 54, while the sum is 13.
Adding to 30031001203 its reverse (30210013003), we get a palindrome (60241014206).
The spelling of 30031001203 in words is "thirty billion, thirty-one million, one thousand, two hundred three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.079 sec. • engine limits •