Base | Representation |
---|---|
bin | 110111110101010010000110… |
… | …110001101100110101010001 |
3 | 1012012102202010121201002110021 |
4 | 313311102012301230311101 |
5 | 224141124330121010140 |
6 | 2230130002145503441 |
7 | 102502462200456451 |
oct | 6765220661546521 |
9 | 1165382117632407 |
10 | 245554131422545 |
11 | 71271a16672320 |
12 | 2365a051941b81 |
13 | a702869722bba |
14 | 448cc51d9dd61 |
15 | 1d5c65e53ab4a |
hex | df5486c6cd51 |
245554131422545 has 16 divisors (see below), whose sum is σ = 325325605010112. Its totient is φ = 176433198477760.
The previous prime is 245554131422473. The next prime is 245554131422549. The reversal of 245554131422545 is 545224131455542.
It is not a de Polignac number, because 245554131422545 - 219 = 245554130898257 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 245554131422492 and 245554131422501.
It is not an unprimeable number, because it can be changed into a prime (245554131422549) 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, 26895300082 + ... + 26895309211.
It is an arithmetic number, because the mean of its divisors is an integer number (20332850313132).
Almost surely, 2245554131422545 is an apocalyptic number.
It is an amenable number.
245554131422545 is a deficient number, since it is larger than the sum of its proper divisors (79771473587567).
245554131422545 is a wasteful number, since it uses less digits than its factorization.
245554131422545 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 53790609392.
The product of its digits is 19200000, while the sum is 52.
The spelling of 245554131422545 in words is "two hundred forty-five trillion, five hundred fifty-four billion, one hundred thirty-one million, four hundred twenty-two thousand, five hundred forty-five".
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