Base | Representation |
---|---|
bin | 100101000101011000100… |
… | …110001001010011111001 |
3 | 100000121212111221222111200 |
4 | 211011120212021103321 |
5 | 313223111403014040 |
6 | 5230415243044413 |
7 | 352054530413400 |
oct | 45053046112371 |
9 | 10017774858450 |
10 | 2548402001145 |
11 | 8a2853547120 |
12 | 351a92810709 |
13 | 15640c369bc0 |
14 | 8b4b40b0637 |
15 | 4645304e630 |
hex | 251589894f9 |
2548402001145 has 288 divisors, whose sum is σ = 6046979702400. Its totient is φ = 975949793280.
The previous prime is 2548402001113. The next prime is 2548402001149. The reversal of 2548402001145 is 5411002048452.
2548402001145 is a `hidden beast` number, since 2 + 548 + 40 + 20 + 0 + 11 + 45 = 666.
It is not a de Polignac number, because 2548402001145 - 25 = 2548402001113 is a prime.
It is a super-2 number, since 2×25484020011452 (a number of 26 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (2548402001149) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 194542806 + ... + 194555904.
It is an arithmetic number, because the mean of its divisors is an integer number (20996457300).
Almost surely, 22548402001145 is an apocalyptic number.
It is an amenable number.
2548402001145 is an abundant number, since it is smaller than the sum of its proper divisors (3498577701255).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2548402001145 is a wasteful number, since it uses less digits than its factorization.
2548402001145 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13765 (or 13755 counting only the distinct ones).
The product of its (nonzero) digits is 51200, while the sum is 36.
Adding to 2548402001145 its reverse (5411002048452), we get a palindrome (7959404049597).
The spelling of 2548402001145 in words is "two trillion, five hundred forty-eight billion, four hundred two million, one thousand, one hundred forty-five".
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