Base | Representation |
---|---|
bin | 111110111000111… |
… | …0010000010001001 |
3 | 12110001201100221101 |
4 | 1331301302002021 |
5 | 13310202430433 |
6 | 545220541401 |
7 | 103202264254 |
oct | 17561620211 |
9 | 5401640841 |
10 | 2110201993 |
11 | 993176a99 |
12 | 4aa851861 |
13 | 278250643 |
14 | 16038409b |
15 | c53d007d |
hex | 7dc72089 |
2110201993 has 6 divisors (see below), whose sum is σ = 2241633566. Its totient is φ = 1986072192.
The previous prime is 2110201991. The next prime is 2110202009. The reversal of 2110201993 is 3991020112.
It can be written as a sum of positive squares in 3 ways, for example, as 1128758409 + 981443584 = 33597^2 + 31328^2 .
It is not a de Polignac number, because 2110201993 - 21 = 2110201991 is a prime.
It is a super-2 number, since 2×21102019932 = 8905904902522344098, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (2110201991) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3650580 + ... + 3651157.
Almost surely, 22110201993 is an apocalyptic number.
It is an amenable number.
2110201993 is a deficient number, since it is larger than the sum of its proper divisors (131431573).
2110201993 is an equidigital number, since it uses as much as digits as its factorization.
2110201993 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7301771 (or 7301754 counting only the distinct ones).
The product of its (nonzero) digits is 972, while the sum is 28.
The square root of 2110201993 is about 45936.9349543480. The cubic root of 2110201993 is about 1282.6495396663.
The spelling of 2110201993 in words is "two billion, one hundred ten million, two hundred one thousand, nine hundred ninety-three".
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