Base | Representation |
---|---|
bin | 1000000101001111111… |
… | …1011110001110010111 |
3 | 111021101120012100202022 |
4 | 2001103333132032113 |
5 | 4233330103220041 |
6 | 143441432403355 |
7 | 13013533246655 |
oct | 2012377361627 |
9 | 437346170668 |
10 | 138848101271 |
11 | 53981151620 |
12 | 22aabb4655b |
13 | 1012a03c909 |
14 | 6a1265ddd5 |
15 | 3929a3824b |
hex | 2053fde397 |
138848101271 has 4 divisors (see below), whose sum is σ = 151470655944. Its totient is φ = 126225546600.
The previous prime is 138848101243. The next prime is 138848101297. The reversal of 138848101271 is 172101848831.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 138848101271 - 226 = 138780992407 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (138848101571) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6311277320 + ... + 6311277341.
It is an arithmetic number, because the mean of its divisors is an integer number (37867663986).
Almost surely, 2138848101271 is an apocalyptic number.
138848101271 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
138848101271 is a deficient number, since it is larger than the sum of its proper divisors (12622554673).
138848101271 is a wasteful number, since it uses less digits than its factorization.
138848101271 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12622554672.
The product of its (nonzero) digits is 86016, while the sum is 44.
The spelling of 138848101271 in words is "one hundred thirty-eight billion, eight hundred forty-eight million, one hundred one thousand, two hundred seventy-one".
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