Base | Representation |
---|---|
bin | 11011111101111100… |
… | …000001010000000011 |
3 | 2212111212001212012120 |
4 | 123331330001100003 |
5 | 443000211020222 |
6 | 21443510455323 |
7 | 2112114155220 |
oct | 337574012003 |
9 | 85455055176 |
10 | 30030173187 |
11 | 11810282653 |
12 | 59a1064543 |
13 | 2aa76cab61 |
14 | 164c460947 |
15 | bab5d915c |
hex | 6fdf01403 |
30030173187 has 16 divisors (see below), whose sum is σ = 45771575040. Its totient is φ = 17155857312.
The previous prime is 30030173183. The next prime is 30030173197. The reversal of 30030173187 is 78137103003.
It is not a de Polignac number, because 30030173187 - 22 = 30030173183 is a prime.
It is a super-2 number, since 2×300301731872 (a number of 22 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (30030173183) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88737 + ... + 260642.
It is an arithmetic number, because the mean of its divisors is an integer number (2860723440).
Almost surely, 230030173187 is an apocalyptic number.
30030173187 is a deficient number, since it is larger than the sum of its proper divisors (15741401853).
30030173187 is a wasteful number, since it uses less digits than its factorization.
30030173187 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 353482.
The product of its (nonzero) digits is 10584, while the sum is 33.
The spelling of 30030173187 in words is "thirty billion, thirty million, one hundred seventy-three thousand, one hundred eighty-seven".
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