Base | Representation |
---|---|
bin | 1100010110001001000… |
… | …1010101101101000011 |
3 | 202021110202112120110102 |
4 | 3011202101111231003 |
5 | 11433341120010034 |
6 | 241234404153015 |
7 | 21216042121412 |
oct | 3054221255503 |
9 | 667422476412 |
10 | 212102110019 |
11 | 81a52125618 |
12 | 3513469876b |
13 | 17002685a17 |
14 | a3a14bd479 |
15 | 57b5b6497e |
hex | 3162455b43 |
212102110019 has 8 divisors (see below), whose sum is σ = 231823179648. Its totient is φ = 193185982080.
The previous prime is 212102110001. The next prime is 212102110097. The reversal of 212102110019 is 910011201212.
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 212102110019 - 212 = 212102105923 is a prime.
It is a super-2 number, since 2×2121021100192 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (212102710019) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 201234872 + ... + 201235925.
It is an arithmetic number, because the mean of its divisors is an integer number (28977897456).
Almost surely, 2212102110019 is an apocalyptic number.
212102110019 is a deficient number, since it is larger than the sum of its proper divisors (19721069629).
212102110019 is a wasteful number, since it uses less digits than its factorization.
212102110019 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 402470845.
The product of its (nonzero) digits is 72, while the sum is 20.
The spelling of 212102110019 in words is "two hundred twelve billion, one hundred two million, one hundred ten thousand, nineteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.063 sec. • engine limits •