Base | Representation |
---|---|
bin | 10100000100100010000… |
… | …000110011101011010001 |
3 | 11212212002122212200001121 |
4 | 110010202000303223101 |
5 | 140044203303422100 |
6 | 2533342052202241 |
7 | 201435141146551 |
oct | 24044200635321 |
9 | 4785078780047 |
10 | 1379255139025 |
11 | 491a36629195 |
12 | 1a3385909381 |
13 | a00a8b138ca |
14 | 4aa8342d161 |
15 | 25d26d0e51a |
hex | 14122033ad1 |
1379255139025 has 12 divisors (see below), whose sum is σ = 1711964731932. Its totient is φ = 1102314847040.
The previous prime is 1379255139023. The next prime is 1379255139107. The reversal of 1379255139025 is 5209315529731.
It can be written as a sum of positive squares in 6 ways, for example, as 335286163521 + 1043968975504 = 579039^2 + 1021748^2 .
It is not a de Polignac number, because 1379255139025 - 21 = 1379255139023 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1379255139023) 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, 27205774 + ... + 27256423.
It is an arithmetic number, because the mean of its divisors is an integer number (142663727661).
Almost surely, 21379255139025 is an apocalyptic number.
It is an amenable number.
1379255139025 is a deficient number, since it is larger than the sum of its proper divisors (332709592907).
1379255139025 is a wasteful number, since it uses less digits than its factorization.
1379255139025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 54463220 (or 54463215 counting only the distinct ones).
The product of its (nonzero) digits is 2551500, while the sum is 52.
The spelling of 1379255139025 in words is "one trillion, three hundred seventy-nine billion, two hundred fifty-five million, one hundred thirty-nine thousand, twenty-five".
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