Base | Representation |
---|---|
bin | 101000011101100011000… |
… | …010101110101001011101 |
3 | 100211210222012122101200120 |
4 | 220131203002232221131 |
5 | 331023433402002003 |
6 | 5525202510345153 |
7 | 404612342535615 |
oct | 50354302565135 |
9 | 10753865571616 |
10 | 2780505500253 |
11 | 98222995a368 |
12 | 38aa697bb1b9 |
13 | 17227b7958a0 |
14 | 98811b17a45 |
15 | 4c4d9b06853 |
hex | 287630aea5d |
2780505500253 has 16 divisors (see below), whose sum is σ = 4009225839360. Its totient is φ = 1703920970304.
The previous prime is 2780505500239. The next prime is 2780505500323. The reversal of 2780505500253 is 3520055050872.
It is a happy number.
2780505500253 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 2780505500253 - 216 = 2780505434717 is a prime.
It is a super-3 number, since 3×27805055002533 (a number of 38 digits) contains 333 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2780505520253) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 149143426 + ... + 149162067.
It is an arithmetic number, because the mean of its divisors is an integer number (250576614960).
Almost surely, 22780505500253 is an apocalyptic number.
It is an amenable number.
2780505500253 is a deficient number, since it is larger than the sum of its proper divisors (1228720339107).
2780505500253 is a wasteful number, since it uses less digits than its factorization.
2780505500253 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 298305748.
The product of its (nonzero) digits is 420000, while the sum is 42.
The spelling of 2780505500253 in words is "two trillion, seven hundred eighty billion, five hundred five million, five hundred thousand, two hundred fifty-three".
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