Base | Representation |
---|---|
bin | 11111100010111010000001… |
… | …011100111110001110101111 |
3 | 200012020020120002012002200112 |
4 | 133202322001130332032233 |
5 | 121141041321043414213 |
6 | 1211023241322450235 |
7 | 41136335031423422 |
oct | 3742720134761657 |
9 | 605206502162615 |
10 | 138738205451183 |
11 | 4022a5a7096aa8 |
12 | 1368848836397b |
13 | 5c54c58966a10 |
14 | 2638d71c559b9 |
15 | 1108d7476eea8 |
hex | 7e2e8173e3af |
138738205451183 has 16 divisors (see below), whose sum is σ = 150158706124896. Its totient is φ = 127424934483840.
The previous prime is 138738205451171. The next prime is 138738205451243. The reversal of 138738205451183 is 381154502837831.
It is a cyclic number.
It is not a de Polignac number, because 138738205451183 - 28 = 138738205450927 is a prime.
It is a Smith number, since the sum of its digits (59) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (138738205451143) 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, 3465041 + ... + 17014197.
It is an arithmetic number, because the mean of its divisors is an integer number (9384919132806).
Almost surely, 2138738205451183 is an apocalyptic number.
138738205451183 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
138738205451183 is a deficient number, since it is larger than the sum of its proper divisors (11420500673713).
138738205451183 is a wasteful number, since it uses less digits than its factorization.
138738205451183 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13553114.
The product of its (nonzero) digits is 19353600, while the sum is 59.
The spelling of 138738205451183 in words is "one hundred thirty-eight trillion, seven hundred thirty-eight billion, two hundred five million, four hundred fifty-one thousand, one hundred eighty-three".
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