Base | Representation |
---|---|
bin | 10000101010101000000… |
… | …001111011110111100110 |
3 | 11001111011120002102101022 |
4 | 100222220001323313212 |
5 | 122231013234133030 |
6 | 2234045021131142 |
7 | 145513054416236 |
oct | 20525001736746 |
9 | 4044146072338 |
10 | 1145280380390 |
11 | 40178aa0aa73 |
12 | 165b680b9ab2 |
13 | 83ccbb07c73 |
14 | 3d60907dcc6 |
15 | 1ebd0d24de5 |
hex | 10aa807bde6 |
1145280380390 has 16 divisors (see below), whose sum is σ = 2132591053680. Its totient is φ = 442315181280.
The previous prime is 1145280380351. The next prime is 1145280380411. The reversal of 1145280380390 is 930830825411.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1974621056 + ... + 1974621635.
It is an arithmetic number, because the mean of its divisors is an integer number (133286940855).
Almost surely, 21145280380390 is an apocalyptic number.
1145280380390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1145280380390 is a deficient number, since it is larger than the sum of its proper divisors (987310673290).
1145280380390 is a wasteful number, since it uses less digits than its factorization.
1145280380390 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3949242727.
The product of its (nonzero) digits is 207360, while the sum is 44.
The spelling of 1145280380390 in words is "one trillion, one hundred forty-five billion, two hundred eighty million, three hundred eighty thousand, three hundred ninety".
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