Base | Representation |
---|---|
bin | 100100010110111… |
… | …1011100101011101 |
3 | 10011000122102111122 |
4 | 1020231323211131 |
5 | 4444310000333 |
6 | 321020500325 |
7 | 42142554404 |
oct | 11055734535 |
9 | 3130572448 |
10 | 1220000093 |
11 | 576727144 |
12 | 2a06aa6a5 |
13 | 1659a7960 |
14 | b805863b |
15 | 7218b798 |
hex | 48b7b95d |
1220000093 has 8 divisors (see below), whose sum is σ = 1325474808. Its totient is φ = 1116186624.
The previous prime is 1220000077. The next prime is 1220000107. The reversal of 1220000093 is 3900000221.
It can be written as a sum of positive squares in 4 ways, for example, as 67601284 + 1152398809 = 8222^2 + 33947^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1220000093 - 24 = 1220000077 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1220000993) 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, 413780 + ... + 416717.
It is an arithmetic number, because the mean of its divisors is an integer number (165684351).
Almost surely, 21220000093 is an apocalyptic number.
1220000093 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
It is an amenable number.
1220000093 is a deficient number, since it is larger than the sum of its proper divisors (105474715).
1220000093 is a wasteful number, since it uses less digits than its factorization.
1220000093 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 830623.
The product of its (nonzero) digits is 108, while the sum is 17.
The square root of 1220000093 is about 34928.4997244371. The cubic root of 1220000093 is about 1068.5297573000.
The spelling of 1220000093 in words is "one billion, two hundred twenty million, ninety-three", and thus it is an aban number.
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