Base | Representation |
---|---|
bin | 1000000011011101111… |
… | …1101101101010001101 |
3 | 111020011020121000002022 |
4 | 2000313133231222031 |
5 | 4231340210420322 |
6 | 143322153335525 |
7 | 12665636466026 |
oct | 2006737555215 |
9 | 436136530068 |
10 | 138370013837 |
11 | 537562a1440 |
12 | 22997a075a5 |
13 | 10081c8a643 |
14 | 69a8d6dc4d |
15 | 38eca9c942 |
hex | 20377eda8d |
138370013837 has 16 divisors (see below), whose sum is σ = 153556547904. Its totient is φ = 123636240000.
The previous prime is 138370013827. The next prime is 138370013849. The reversal of 138370013837 is 738310073831.
It is a cyclic number.
It is not a de Polignac number, because 138370013837 - 218 = 138369751693 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 (138370013807) 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, 302339 + ... + 606752.
It is an arithmetic number, because the mean of its divisors is an integer number (9597284244).
Almost surely, 2138370013837 is an apocalyptic number.
It is an amenable number.
138370013837 is a deficient number, since it is larger than the sum of its proper divisors (15186534067).
138370013837 is a wasteful number, since it uses less digits than its factorization.
138370013837 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 909340.
The product of its (nonzero) digits is 254016, while the sum is 44.
It can be divided in two parts, 1383700 and 13837, that multiplied together give a square (19146256900 = 1383702).
The spelling of 138370013837 in words is "one hundred thirty-eight billion, three hundred seventy million, thirteen thousand, eight hundred thirty-seven".
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