Base | Representation |
---|---|
bin | 100000110011010100000… |
… | …010010100010100010101 |
3 | 21222111021111220121100211 |
4 | 200303110002110110111 |
5 | 243412414240143110 |
6 | 4443310055405421 |
7 | 321566125623355 |
oct | 40632402242425 |
9 | 7874244817324 |
10 | 2254120240405 |
11 | 799a701246a0 |
12 | 304a44383871 |
13 | 134741124127 |
14 | 7b158594b65 |
15 | 3d97c8bd98a |
hex | 20cd4094515 |
2254120240405 has 32 divisors (see below), whose sum is σ = 3015746173440. Its totient is φ = 1603354744320.
The previous prime is 2254120240397. The next prime is 2254120240423. The reversal of 2254120240405 is 5040420214522.
It is not a de Polignac number, because 2254120240405 - 23 = 2254120240397 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3388857 + ... + 3999073.
It is an arithmetic number, because the mean of its divisors is an integer number (94242067920).
Almost surely, 22254120240405 is an apocalyptic number.
It is an amenable number.
2254120240405 is a deficient number, since it is larger than the sum of its proper divisors (761625933035).
2254120240405 is a wasteful number, since it uses less digits than its factorization.
2254120240405 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 611709.
The product of its (nonzero) digits is 25600, while the sum is 31.
Adding to 2254120240405 its reverse (5040420214522), we get a palindrome (7294540454927).
The spelling of 2254120240405 in words is "two trillion, two hundred fifty-four billion, one hundred twenty million, two hundred forty thousand, four hundred five".
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