Base | Representation |
---|---|
bin | 11100011011110111… |
… | …001011100001010111 |
3 | 2220210211202112100120 |
4 | 130123313023201113 |
5 | 1000012222033030 |
6 | 22005403243023 |
7 | 2130421411422 |
oct | 343367134127 |
9 | 86724675316 |
10 | 30532221015 |
11 | 11a4870860a |
12 | 5b01219473 |
13 | 2b5771c08a |
14 | 1698dca9b9 |
15 | bda709010 |
hex | 71bdcb857 |
30532221015 has 16 divisors (see below), whose sum is σ = 49179420000. Its totient is φ = 16174562432.
The previous prime is 30532221001. The next prime is 30532221053. The reversal of 30532221015 is 51012223503.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 30532221015 - 223 = 30523832407 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6828240 + ... + 6832709.
It is an arithmetic number, because the mean of its divisors is an integer number (3073713750).
Almost surely, 230532221015 is an apocalyptic number.
30532221015 is a deficient number, since it is larger than the sum of its proper divisors (18647198985).
30532221015 is a wasteful number, since it uses less digits than its factorization.
30532221015 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13661106.
The product of its (nonzero) digits is 1800, while the sum is 24.
Adding to 30532221015 its reverse (51012223503), we get a palindrome (81544444518).
The spelling of 30532221015 in words is "thirty billion, five hundred thirty-two million, two hundred twenty-one thousand, fifteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •