Base | Representation |
---|---|
bin | 100100010110110010111… |
… | …111011111010100100101 |
3 | 22211211202022211120010021 |
4 | 210112302333133110211 |
5 | 311413140010034124 |
6 | 5151423420155141 |
7 | 345334105665400 |
oct | 44266277372445 |
9 | 8754668746107 |
10 | 2498378986789 |
11 | 883613895044 |
12 | 344252098ab1 |
13 | 1517998cca1a |
14 | 88cca6acd37 |
15 | 44ec66607e4 |
hex | 245b2fdf525 |
2498378986789 has 12 divisors (see below), whose sum is σ = 2928462929568. Its totient is φ = 2125120615800.
The previous prime is 2498378986769. The next prime is 2498378986799. The reversal of 2498378986789 is 9876898738942.
It is not a de Polignac number, because 2498378986789 - 27 = 2498378986661 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2498378986729) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 194601697 + ... + 194614534.
It is an arithmetic number, because the mean of its divisors is an integer number (244038577464).
Almost surely, 22498378986789 is an apocalyptic number.
It is an amenable number.
2498378986789 is a deficient number, since it is larger than the sum of its proper divisors (430083942779).
2498378986789 is a wasteful number, since it uses less digits than its factorization.
2498378986789 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 389216376 (or 389216369 counting only the distinct ones).
The product of its digits is 21069103104, while the sum is 88.
The spelling of 2498378986789 in words is "two trillion, four hundred ninety-eight billion, three hundred seventy-eight million, nine hundred eighty-six thousand, seven hundred eighty-nine".
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