Base | Representation |
---|---|
bin | 110010010110110001… |
… | …1001100100111111111 |
3 | 101100010100110002010120 |
4 | 1210231203030213333 |
5 | 3232431411240441 |
6 | 121402244510023 |
7 | 10545525045120 |
oct | 1445543144777 |
9 | 340110402116 |
10 | 108138383871 |
11 | 41952331391 |
12 | 18b5b3ab313 |
13 | a2749153bb |
14 | 533bc6c047 |
15 | 2c2d96c966 |
hex | 192d8cc9ff |
108138383871 has 8 divisors (see below), whose sum is σ = 164782299264. Its totient is φ = 61793362200.
The previous prime is 108138383827. The next prime is 108138383921. The reversal of 108138383871 is 178383831801.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 108138383871 - 214 = 108138367487 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (108138388871) 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, 2574723405 + ... + 2574723446.
It is an arithmetic number, because the mean of its divisors is an integer number (20597787408).
Almost surely, 2108138383871 is an apocalyptic number.
108138383871 is a deficient number, since it is larger than the sum of its proper divisors (56643915393).
108138383871 is an equidigital number, since it uses as much as digits as its factorization.
108138383871 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5149446861.
The product of its (nonzero) digits is 774144, while the sum is 51.
The spelling of 108138383871 in words is "one hundred eight billion, one hundred thirty-eight million, three hundred eighty-three thousand, eight hundred seventy-one".
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