Base | Representation |
---|---|
bin | 100000110011011010000… |
… | …001001101111001001000 |
3 | 21222111112111210011202022 |
4 | 200303122001031321020 |
5 | 243413120434141430 |
6 | 4443324043024012 |
7 | 321601455036356 |
oct | 40633201157110 |
9 | 7874474704668 |
10 | 2254220615240 |
11 | 79a011851800 |
12 | 304a71b0b008 |
13 | 134758b69419 |
14 | 7b167a427d6 |
15 | 3d9865e94e5 |
hex | 20cda04de48 |
2254220615240 has 96 divisors (see below), whose sum is σ = 5754843521280. Its totient is φ = 793274064000.
The previous prime is 2254220615137. The next prime is 2254220615249. The reversal of 2254220615240 is 425160224522.
It is a happy number.
It is a self number, because there is not a number n which added to its sum of digits gives 2254220615240.
It is not an unprimeable number, because it can be changed into a prime (2254220615249) 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 23 ways as a sum of consecutive naturals, for example, 7362026 + ... + 7662105.
It is an arithmetic number, because the mean of its divisors is an integer number (59946286680).
Almost surely, 22254220615240 is an apocalyptic number.
2254220615240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2254220615240 is an abundant number, since it is smaller than the sum of its proper divisors (3500622906040).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2254220615240 is a wasteful number, since it uses less digits than its factorization.
2254220615240 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15024195 (or 15024180 counting only the distinct ones).
The product of its (nonzero) digits is 76800, while the sum is 35.
Adding to 2254220615240 its reverse (425160224522), we get a palindrome (2679380839762).
The spelling of 2254220615240 in words is "two trillion, two hundred fifty-four billion, two hundred twenty million, six hundred fifteen thousand, two hundred forty".
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