| Base | Representation |
|---|---|
| bin | 1001101001011000011… |
| … | …01100000011111010000 |
| 3 | 1011200112121120222021010 |
| 4 | 10310230031200133100 |
| 5 | 20412304240021430 |
| 6 | 412133514130520 |
| 7 | 32642513246343 |
| oct | 4645415403720 |
| 9 | 1150477528233 |
| 10 | 331454220240 |
| 11 | 1186292a2540 |
| 12 | 542a3420a40 |
| 13 | 25343577750 |
| 14 | 1208477445a |
| 15 | 894dcdccb0 |
| hex | 4d2c3607d0 |
331454220240 has 640 divisors, whose sum is σ = 1300336773120. Its totient is φ = 68627865600.
The previous prime is 331454220217. The next prime is 331454220247. The reversal of 331454220240 is 42022454133.
It is a super-2 number, since 2×3314542202402 (a number of 24 digits) contains 22 as substring.
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 = 331454220198 and 331454220207.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (331454220247) by changing a digit.
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 127 ways as a sum of consecutive naturals, for example, 28033530 + ... + 28045350.
It is an arithmetic number, because the mean of its divisors is an integer number (2031776208).
Almost surely, 2331454220240 is an apocalyptic number.
331454220240 is a gapful number since it is divisible by the number (30) 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 331454220240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (650168386560).
331454220240 is an abundant number, since it is smaller than the sum of its proper divisors (968882552880).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
331454220240 is a wasteful number, since it uses less digits than its factorization.
331454220240 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11923 (or 11917 counting only the distinct ones).
The product of its (nonzero) digits is 23040, while the sum is 30.
Adding to 331454220240 its reverse (42022454133), we get a palindrome (373476674373).
The spelling of 331454220240 in words is "three hundred thirty-one billion, four hundred fifty-four million, two hundred twenty thousand, two hundred forty".
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