Base | Representation |
---|---|
bin | 1000001111011000… |
… | …1100000001010001 |
3 | 12201011022021101222 |
4 | 2003312030001101 |
5 | 14012234122210 |
6 | 1003255134425 |
7 | 105546601535 |
oct | 20366140121 |
9 | 5634267358 |
10 | 2212020305 |
11 | a3569a660 |
12 | 518974415 |
13 | 29337c971 |
14 | 16dac9bc5 |
15 | ce2e3655 |
hex | 83d8c051 |
2212020305 has 16 divisors (see below), whose sum is σ = 2902644288. Its totient is φ = 1604904000.
The previous prime is 2212020287. The next prime is 2212020323. The reversal of 2212020305 is 5030202122.
It is an interprime number because it is at equal distance from previous prime (2212020287) and next prime (2212020323).
It is not a de Polignac number, because 2212020305 - 26 = 2212020241 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24611 + ... + 70920.
It is an arithmetic number, because the mean of its divisors is an integer number (181415268).
Almost surely, 22212020305 is an apocalyptic number.
It is an amenable number.
2212020305 is a deficient number, since it is larger than the sum of its proper divisors (690623983).
2212020305 is a wasteful number, since it uses less digits than its factorization.
2212020305 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 95968.
The product of its (nonzero) digits is 240, while the sum is 17.
The square root of 2212020305 is about 47032.1199288316. The cubic root of 2212020305 is about 1302.9558588714.
Adding to 2212020305 its reverse (5030202122), we get a palindrome (7242222427).
The spelling of 2212020305 in words is "two billion, two hundred twelve million, twenty thousand, three hundred five".
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