Base | Representation |
---|---|
bin | 10010110100101110… |
… | …101111001111100111 |
3 | 1221011121111000021201 |
4 | 102310232233033213 |
5 | 312343234121244 |
6 | 13141341423331 |
7 | 1313605223410 |
oct | 226456571747 |
9 | 57147430251 |
10 | 20212020199 |
11 | 8632181a28 |
12 | 3b00b6ab47 |
13 | 1ba15b0187 |
14 | d9a516807 |
15 | 7d469bad4 |
hex | 4b4baf3e7 |
20212020199 has 8 divisors (see below), whose sum is σ = 23103884448. Its totient is φ = 17321264160.
The previous prime is 20212020133. The next prime is 20212020217. The reversal of 20212020199 is 99102021202.
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 20212020199 - 215 = 20211987431 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 (20212021199) 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, 237592 + ... + 311245.
It is an arithmetic number, because the mean of its divisors is an integer number (2887985556).
Almost surely, 220212020199 is an apocalyptic number.
20212020199 is a deficient number, since it is larger than the sum of its proper divisors (2891864249).
20212020199 is an equidigital number, since it uses as much as digits as its factorization.
20212020199 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 554105.
The product of its (nonzero) digits is 1296, while the sum is 28.
The spelling of 20212020199 in words is "twenty billion, two hundred twelve million, twenty thousand, one hundred ninety-nine".
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