Base | Representation |
---|---|
bin | 1100010110010011010… |
… | …0111111111001001101 |
3 | 202021120202021020022211 |
4 | 3011210310333321031 |
5 | 11433433110343201 |
6 | 241242535510421 |
7 | 21220102565065 |
oct | 3054464777115 |
9 | 667522236284 |
10 | 212145012301 |
11 | 81a74368752 |
12 | 35146b28411 |
13 | 1700b5275a1 |
14 | a3a708a3a5 |
15 | 57b97db651 |
hex | 3164d3fe4d |
212145012301 has 12 divisors (see below), whose sum is σ = 221963051520. Its totient is φ = 202744434200.
The previous prime is 212145012281. The next prime is 212145012329. The reversal of 212145012301 is 103210541212.
It is not a de Polignac number, because 212145012301 - 25 = 212145012269 is a prime.
It is an alternating number because its digits alternate between even and odd.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (212145016301) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 434670 + ... + 783088.
It is an arithmetic number, because the mean of its divisors is an integer number (18496920960).
Almost surely, 2212145012301 is an apocalyptic number.
It is an amenable number.
212145012301 is a deficient number, since it is larger than the sum of its proper divisors (9818039219).
212145012301 is a wasteful number, since it uses less digits than its factorization.
212145012301 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 349616 (or 349593 counting only the distinct ones).
The product of its (nonzero) digits is 480, while the sum is 22.
Adding to 212145012301 its reverse (103210541212), we get a palindrome (315355553513).
The spelling of 212145012301 in words is "two hundred twelve billion, one hundred forty-five million, twelve thousand, three hundred one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •