Base | Representation |
---|---|
bin | 1000000100001000011… |
… | …1100001010000110111 |
3 | 111020121122220212022222 |
4 | 2001002013201100313 |
5 | 4232221321032413 |
6 | 143352001112555 |
7 | 13003232306264 |
oct | 2010207412067 |
9 | 436548825288 |
10 | 138548220983 |
11 | 5383794a077 |
12 | 22a2762875b |
13 | 100acb84463 |
14 | 69c48bc26b |
15 | 390d54eb08 |
hex | 20421e1437 |
138548220983 has 8 divisors (see below), whose sum is σ = 141503021760. Its totient is φ = 135593710560.
The previous prime is 138548220973. The next prime is 138548220997. The reversal of 138548220983 is 389022845831.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 138548220983 - 210 = 138548219959 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 (138548220973) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1087433 + ... + 1208141.
It is an arithmetic number, because the mean of its divisors is an integer number (17687877720).
Almost surely, 2138548220983 is an apocalyptic number.
138548220983 is a deficient number, since it is larger than the sum of its proper divisors (2954800777).
138548220983 is a wasteful number, since it uses less digits than its factorization.
138548220983 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 145177.
The product of its (nonzero) digits is 3317760, while the sum is 53.
The spelling of 138548220983 in words is "one hundred thirty-eight billion, five hundred forty-eight million, two hundred twenty thousand, nine hundred eighty-three".
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