Base | Representation |
---|---|
bin | 1100010111011100010… |
… | …1001101101100111010 |
3 | 202022101002111212122210 |
4 | 3011313011031230322 |
5 | 11440100010044200 |
6 | 241333155355550 |
7 | 21230511566211 |
oct | 3056705155472 |
9 | 668332455583 |
10 | 212451253050 |
11 | 82111214983 |
12 | 352115b2bb6 |
13 | 17059acbb2a |
14 | a3d5a06078 |
15 | 57d662e650 |
hex | 317714db3a |
212451253050 has 48 divisors (see below), whose sum is σ = 527105236320. Its totient is φ = 56629352640.
The previous prime is 212451253031. The next prime is 212451253051. The reversal of 212451253050 is 50352154212.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a junction number, because it is equal to n+sod(n) for n = 212451252999 and 212451253017.
It is not an unprimeable number, because it can be changed into a prime (212451253051) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48084 + ... + 653616.
It is an arithmetic number, because the mean of its divisors is an integer number (10981359090).
Almost surely, 2212451253050 is an apocalyptic number.
212451253050 is an abundant number, since it is smaller than the sum of its proper divisors (314653983270).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
212451253050 is a wasteful number, since it uses less digits than its factorization.
212451253050 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 607887 (or 607882 counting only the distinct ones).
The product of its (nonzero) digits is 12000, while the sum is 30.
The spelling of 212451253050 in words is "two hundred twelve billion, four hundred fifty-one million, two hundred fifty-three thousand, fifty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.080 sec. • engine limits •