Base | Representation |
---|---|
bin | 1100010000101000001… |
… | …10010101011111010100 |
3 | 1111021022012220101201111 |
4 | 12020110012111133110 |
5 | 23400201431001322 |
6 | 521303344504404 |
7 | 42301550631460 |
oct | 6102406253724 |
9 | 1437265811644 |
10 | 421244000212 |
11 | 152715290172 |
12 | 6978191b104 |
13 | 30952974979 |
14 | 1656178d4a0 |
15 | ae56992177 |
hex | 62141957d4 |
421244000212 has 96 divisors (see below), whose sum is σ = 912790674432. Its totient is φ = 165989830656.
The previous prime is 421244000183. The next prime is 421244000227. The reversal of 421244000212 is 212000442124.
It is a congruent number.
It is an unprimeable number.
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 31 ways as a sum of consecutive naturals, for example, 5842293 + ... + 5913955.
It is an arithmetic number, because the mean of its divisors is an integer number (9508236192).
Almost surely, 2421244000212 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 421244000212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (456395337216).
421244000212 is an abundant number, since it is smaller than the sum of its proper divisors (491546674220).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
421244000212 is a wasteful number, since it uses less digits than its factorization.
421244000212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 71977 (or 71975 counting only the distinct ones).
The product of its (nonzero) digits is 1024, while the sum is 22.
Adding to 421244000212 its reverse (212000442124), we get a palindrome (633244442336).
The spelling of 421244000212 in words is "four hundred twenty-one billion, two hundred forty-four million, two hundred twelve", and thus it is an aban number.
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.084 sec. • engine limits •