Base | Representation |
---|---|
bin | 11100000101110101… |
… | …001101100001111101 |
3 | 2212212002021011011011 |
4 | 130011311031201331 |
5 | 443233111344310 |
6 | 21505001155221 |
7 | 2115312631264 |
oct | 340565154175 |
9 | 85762234134 |
10 | 30162606205 |
11 | 11879006526 |
12 | 5a1948bb11 |
13 | 2ac8c88ba4 |
14 | 1661c955db |
15 | bb804878a |
hex | 705d4d87d |
30162606205 has 8 divisors (see below), whose sum is σ = 36214178904. Its totient is φ = 24117384000.
The previous prime is 30162606179. The next prime is 30162606217. The reversal of 30162606205 is 50260626103.
It can be written as a sum of positive squares in 4 ways, for example, as 80478841 + 30082127364 = 8971^2 + 173442^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 30162606205 - 233 = 21572671613 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1577166 + ... + 1596175.
It is an arithmetic number, because the mean of its divisors is an integer number (4526772363).
Almost surely, 230162606205 is an apocalyptic number.
It is an amenable number.
30162606205 is a deficient number, since it is larger than the sum of its proper divisors (6051572699).
30162606205 is a wasteful number, since it uses less digits than its factorization.
30162606205 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3175247.
The product of its (nonzero) digits is 12960, while the sum is 31.
The spelling of 30162606205 in words is "thirty billion, one hundred sixty-two million, six hundred six thousand, two hundred five".
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