Base | Representation |
---|---|
bin | 1100010101110001000… |
… | …0100100100001111111 |
3 | 202021012201202010002111 |
4 | 3011130100210201333 |
5 | 11433134304322221 |
6 | 241220402234451 |
7 | 21213405565252 |
oct | 3053420444177 |
9 | 667181663074 |
10 | 212001245311 |
11 | 81a001a3459 |
12 | 35106955a27 |
13 | 16cb77cb76b |
14 | a391d45099 |
15 | 57abd8dbe1 |
hex | 315c42487f |
212001245311 has 8 divisors (see below), whose sum is σ = 215639136704. Its totient is φ = 208368594720.
The previous prime is 212001245299. The next prime is 212001245329. The reversal of 212001245311 is 113542100212.
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 212001245311 - 227 = 211867027583 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 (212001245371) 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, 1228560 + ... + 1390453.
It is an arithmetic number, because the mean of its divisors is an integer number (26954892088).
Almost surely, 2212001245311 is an apocalyptic number.
212001245311 is a deficient number, since it is larger than the sum of its proper divisors (3637891393).
212001245311 is a wasteful number, since it uses less digits than its factorization.
212001245311 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2620401.
The product of its (nonzero) digits is 480, while the sum is 22.
Adding to 212001245311 its reverse (113542100212), we get a palindrome (325543345523).
The spelling of 212001245311 in words is "two hundred twelve billion, one million, two hundred forty-five thousand, three hundred eleven".
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