Base | Representation |
---|---|
bin | 100100010110111… |
… | …1011100111000111 |
3 | 10011000122102122120 |
4 | 1020231323213013 |
5 | 4444310001244 |
6 | 321020501023 |
7 | 42142554615 |
oct | 11055734707 |
9 | 3130572576 |
10 | 1220000199 |
11 | 576727230 |
12 | 2a06aa773 |
13 | 1659a7a12 |
14 | b80586b5 |
15 | 7218b819 |
hex | 48b7b9c7 |
1220000199 has 8 divisors (see below), whose sum is σ = 1774545792. Its totient is φ = 739394040.
The previous prime is 1220000191. The next prime is 1220000231. The reversal of 1220000199 is 9910000221.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 1220000199 - 23 = 1220000191 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1220000191) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18484819 + ... + 18484884.
It is an arithmetic number, because the mean of its divisors is an integer number (221818224).
Almost surely, 21220000199 is an apocalyptic number.
1220000199 is a deficient number, since it is larger than the sum of its proper divisors (554545593).
1220000199 is a wasteful number, since it uses less digits than its factorization.
1220000199 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 36969717.
The product of its (nonzero) digits is 324, while the sum is 24.
The square root of 1220000199 is about 34928.5012418226. The cubic root of 1220000199 is about 1068.5297882465.
The spelling of 1220000199 in words is "one billion, two hundred twenty million, one hundred ninety-nine", and thus it is an aban number.
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