Base | Representation |
---|---|
bin | 11100001101111100111… |
… | …111101001010001010000 |
3 | 20212101020010010202202111 |
4 | 130031330333221101100 |
5 | 223232313042400032 |
6 | 4042453415555104 |
7 | 260045245112620 |
oct | 34157477512120 |
9 | 6771203122674 |
10 | 1939127309392 |
11 | 6884198a4419 |
12 | 27399598ba94 |
13 | 110b22082c10 |
14 | 69bd614c880 |
15 | 35693d44c47 |
hex | 1c37cfe9450 |
1939127309392 has 80 divisors (see below), whose sum is σ = 4624354022400. Its totient is φ = 767080636416.
The previous prime is 1939127309359. The next prime is 1939127309407. The reversal of 1939127309392 is 2939037219391.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33375984 + ... + 33434032.
It is an arithmetic number, because the mean of its divisors is an integer number (57804425280).
Almost surely, 21939127309392 is an apocalyptic number.
It is an amenable number.
1939127309392 is an abundant number, since it is smaller than the sum of its proper divisors (2685226713008).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1939127309392 is a wasteful number, since it uses less digits than its factorization.
1939127309392 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 81020 (or 81014 counting only the distinct ones).
The product of its (nonzero) digits is 4960116, while the sum is 58.
Subtracting 1939127309392 from its reverse (2939037219391), we obtain a palindrome (999909909999).
The spelling of 1939127309392 in words is "one trillion, nine hundred thirty-nine billion, one hundred twenty-seven million, three hundred nine thousand, three hundred ninety-two".
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