Base | Representation |
---|---|
bin | 1011010011010010011… |
… | …11000011110000000001 |
3 | 1101010022011200112110201 |
4 | 11221221033003300001 |
5 | 22330231012034331 |
6 | 454215514525201 |
7 | 40024514512030 |
oct | 5515117036001 |
9 | 1333264615421 |
10 | 388312611841 |
11 | 13a756389720 |
12 | 63311136801 |
13 | 2a80519bc4b |
14 | 14b19cbc717 |
15 | a17a828a61 |
hex | 5a693c3c01 |
388312611841 has 16 divisors (see below), whose sum is σ = 487825671168. Its totient is φ = 300271467600.
The previous prime is 388312611839. The next prime is 388312611893. The reversal of 388312611841 is 148116213883.
It is a cyclic number.
It is not a de Polignac number, because 388312611841 - 21 = 388312611839 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 388312611791 and 388312611800.
It is not an unprimeable number, because it can be changed into a prime (388312611811) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19238085 + ... + 19258258.
It is an arithmetic number, because the mean of its divisors is an integer number (30489104448).
Almost surely, 2388312611841 is an apocalyptic number.
It is an amenable number.
388312611841 is a deficient number, since it is larger than the sum of its proper divisors (99513059327).
388312611841 is a wasteful number, since it uses less digits than its factorization.
388312611841 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 38496492.
The product of its digits is 221184, while the sum is 46.
The spelling of 388312611841 in words is "three hundred eighty-eight billion, three hundred twelve million, six hundred eleven thousand, eight hundred forty-one".
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