Base | Representation |
---|---|
bin | 11100110000000001… |
… | …101110000011001101 |
3 | 2221200102100022120111 |
4 | 130300001232003031 |
5 | 1001210323400310 |
6 | 22103130320021 |
7 | 2142000105646 |
oct | 346001560315 |
9 | 87612308514 |
10 | 30870528205 |
11 | 12101676830 |
12 | 5b96589011 |
13 | 2bac84004a |
14 | 16cbcd26cd |
15 | c0a28328a |
hex | 73006e0cd |
30870528205 has 8 divisors (see below), whose sum is σ = 40412327904. Its totient is φ = 22451293200.
The previous prime is 30870528193. The next prime is 30870528253. The reversal of 30870528205 is 50282507803.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 30870528205 - 27 = 30870528077 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 280641111 + ... + 280641220.
It is an arithmetic number, because the mean of its divisors is an integer number (5051540988).
Almost surely, 230870528205 is an apocalyptic number.
It is an amenable number.
30870528205 is a deficient number, since it is larger than the sum of its proper divisors (9541799699).
30870528205 is a wasteful number, since it uses less digits than its factorization.
30870528205 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 561282347.
The product of its (nonzero) digits is 134400, while the sum is 40.
The spelling of 30870528205 in words is "thirty billion, eight hundred seventy million, five hundred twenty-eight thousand, two hundred five".
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