| Base | Representation |
|---|---|
| bin | 100100000100010… |
| … | …0101111111100000 |
| 3 | 10010100020011012112 |
| 4 | 1020020211333200 |
| 5 | 4434303243240 |
| 6 | 320031014452 |
| 7 | 41663430542 |
| oct | 11010457740 |
| 9 | 3110204175 |
| 10 | 1210212320 |
| 11 | 571151479 |
| 12 | 29936a428 |
| 13 | 16395b885 |
| 14 | b6a2b692 |
| 15 | 713a6665 |
| hex | 48225fe0 |
1210212320 has 96 divisors (see below), whose sum is σ = 3036434688. Its totient is φ = 454238208.
The previous prime is 1210212221. The next prime is 1210212329. The reversal of 1210212320 is 232120121.
It is a happy number.
It is a super-2 number, since 2×12102123202 = 2929227718959564800, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 1210212295 and 1210212304.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1210212329) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1650674 + ... + 1651406.
It is an arithmetic number, because the mean of its divisors is an integer number (31629528).
Almost surely, 21210212320 is an apocalyptic number.
1210212320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1210212320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1518217344).
1210212320 is an abundant number, since it is smaller than the sum of its proper divisors (1826222368).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1210212320 is a wasteful number, since it uses less digits than its factorization.
1210212320 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1372 (or 1364 counting only the distinct ones).
The product of its (nonzero) digits is 48, while the sum is 14.
The square root of 1210212320 is about 34788.1060134064. The cubic root of 1210212320 is about 1065.6645605779.
Adding to 1210212320 its reverse (232120121), we get a palindrome (1442332441).
The spelling of 1210212320 in words is "one billion, two hundred ten million, two hundred twelve thousand, three hundred twenty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •